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Author |
Turpeinen, O. |
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Title |
Effect of cholesterol-lowering diet on mortality from coronary heart disease and other causes |
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Journal Article |
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Year |
1979 |
Publication |
Circulation |
Abbreviated Journal |
Circulation |
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Volume |
59 |
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1 |
Pages |
1-7 |
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Keywords |
Coronary Disease/blood/*mortality/prevention & control; Dairy Products; *Dietary Fats; *Fats, Unsaturated; Finland; Humans; Hypercholesterolemia/complications/*diet therapy/mortality; Male; Middle Aged; Neoplasms/mortality |
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Abstract |
International statistics indicate that there is a close correlation between the consumption of saturated fats (dairy fats and meat fats) and the mortality from coronary heart disease (CHD), and this conception has been confirmed by many epidemiological studies. Such studies alone, however, cannot prove the existence of a cause-and-effect relationship between these two variables; dietary intervention trials are needed. The Finnish Mental Hospital Study was such a trial, conducted in two hospitals near Helsinki in 1959--1971. Practically total replacement of dairy fats by vegetable oils in the diets of these hospitals was followed by a substantial reduction in the mortality of men from CHD. Total mortality also appeared to be reduced. As to the causes of death other than CHD, none was significantly influenced by dietary change. This was also true for malignant neoplasms. To alleviate the burden of CHD on public health, many investigators have recommended important changes in the quantity and quality of dietary fats. |
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0009-7322 |
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PMID:758101 |
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no |
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refbase @ user @ |
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33 |
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Author |
Scordato, E.S.; Drea, C.M. |
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Title |
Scents and sensibility: information content of olfactory signals in the ringtailed lemur, Lemur catta |
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Journal Article |
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Year |
2007 |
Publication |
Animal Behaviour. |
Abbreviated Journal |
Anim. Behav. |
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Volume |
73 |
Issue |
2 |
Pages |
301-314 |
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chemical communication; female dominance; individual recognition; intrasexual competition; Lemur catta; mate choice; reproductive signalling; ringtailed lemur; scent marking; seasonality |
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Abstract |
The function of olfactory signalling in social species is less well understood than in asocial species. Consequently, we examined olfactory communication in the ringtailed lemur, a socially complex primate that retains a functional vomeronasal organ, has well-developed scent glands and shows a suite of scent-marking behaviour. To assess the information content of different types of scent gland secretions, we decoupled olfactory cues from the visual and behavioural modalities with which scent marking is normally associated. We presented male and female subjects (signal receivers) with a series of choice tests between odours derived from conspecific donors (signal senders) varying by sex, age, social status and reproductive condition. We additionally examined the influence of the receivers' reproductive state and familiarity with the signaller. The reproductive condition, social status and familiarity of senders and receivers affected signal transmission; specifically, male receivers attended most to the odours of conspecifics in breeding condition and to the odours of familiar, dominant animals. By contrast, females varied their responses according to both their own reproductive state and that of the sender. Based on male and female patterns of countermarking, we suggest that scent marking serves a function in intergroup spacing and intrasexual competition for both sexes, as might be expected in a female-dominant species. By contrast, minimal female interest in male odours counters a female mate choice function for scent marking in this species. Nevertheless, scent marks are critical to male-male competition and, therefore, may be subject to sexual selection. |
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Equine Behaviour @ team @ |
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4648 |
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Connor, R.C.; Wells, R.S.; Mann, J.; Read,A.J. |
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Title |
The bottlenose dolphin: Social relationships in a fission-fusion society. |
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Book Chapter |
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Year |
2000 |
Publication |
Cetacean Societies: Field Studies of Dolphins and Whales. |
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91-126 |
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Keywords |
cetacean social behavior, male alliance formation, most cetacean species, platanistid river dolphins, cetacean sociality, strategies and social bonds, female cetaceans, many cetologists, most mysticetes, sperm whale calves, passive fishing nets, variant whistles, historical whaling records, cetacean systematics, stable matrilineal groups, peak calving season, suction cup tags, mutualistic groups, cetacean vocalizations, focal animal studies, larger odontocetes, predictive signaling, individual cetaceans, sperm whale clicks, resident killer whales |
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Book Description
“Part review, part testament to extraordinary dedication, and part call to get involved, Cetacean Societies highlights the achievements of behavioral ecologists inspired by the challenges of cetaceans and committed to the exploration of a new world.”-from the preface by Richard Wrangham
Long-lived, slow to reproduce, and often hidden beneath the water's surface, whales and dolphins (cetaceans) have remained elusive subjects for scientific study even though they have fascinated humans for centuries. Until recently, much of what we knew about cetaceans came from commercial sources such as whalers and trainers for dolphin acts. Innovative research methods and persistent efforts, however, have begun to penetrate the depths to reveal tantalizing glimpses of the lives of these mammals in their natural habitats.
Cetacean Societies presents the first comprehensive synthesis and review of these new studies. Groups of chapters focus on the history of cetacean behavioral research and methodology; state-of-the-art reviews of information on four of the most-studied species: bottlenose dolphins, killer whales, sperm whales, and humpback whales; and summaries of major topics, including group living, male and female reproductive strategies, communication, and conservation drawn from comparative research on a wide range of species.
Written by some of the world's leading cetacean scientists, this landmark volume will benefit not just students of cetology but also researchers in other areas of behavioral and conservation ecology as well as anyone with a serious interest in the world of whales and dolphins.
Contributors are Robin Baird, Phillip Clapham, Jenny Christal, Richard Connor, Janet Mann, Andrew Read, Randall Reeves, Amy Samuels, Peter Tyack, Linda Weilgart, Hal Whitehead, Randall S. Wells, and Richard Wrangham. |
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University of Chicago Press |
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Chicago |
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Mann, J.;Connor, R.C.; Tyack, P.L.;Whitehead, H. |
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978-0226503417 |
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Equine Behaviour @ team @ |
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4427 |
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Author |
Linklater, W.L.; Cameron, E.Z.; Stafford, K.J.; Veltman, C.J. |
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Title |
Social and spatial structure and range use by Kaimanawa wild horses (Equus caballus: Equidae) |
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Journal Article |
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Year |
2000 |
Publication |
New Zealand Journal of Ecology |
Abbreviated Journal |
New Zealand J. Ecol. |
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Volume |
24 |
Issue |
2 |
Pages |
139-152 |
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Keywords |
Bachelor male; Band; Density; Habitat use; Home range; Management proposals; Micro-climate; Vegetation monitoring; habitat use; home range; mammal; social structure; spatial distribution; New Zealand; Equus caballus |
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Abstract |
We measured horse density, social structure, habitat use, home ranges and altitudinal micro-climates in the south-western Kaimanawa ranges east of Waiouru, New Zealand. Horse density in the Auahitotara ecological sector averaged 3.6 horses.km-2 and ranged from 0.9 to 5.2 horses.km-2 within different zones. The population's social structure was like that of other feral horse populations with an even adult sex ratio, year round breeding groups (bands) with stable adult membership consisting of 1 to 11 mares, 1 to 4 stallions, and their predispersal offspring, and bachelor groups with unstable membership. Bands and bachelor males were loyal to undefended home ranges with central core use areas. Band home range sizes varied positively with adult band size. Home ranges overlapped entirely with other home ranges. Horses were more likely to occupy north facing aspects, short tussock vegetation and flush zones and avoid high altitudes, southern aspects, steeper slopes, bare ground and forest remnants. Horses were more likely to be on north facing aspects, steeper slopes, in exotic and red tussock grasslands and flush zones during winter and at lower altitudes and on gentler slopes in spring and summer. Seasonal shifts by bands to river basin and stream valley floors in spring and higher altitudes in autumn and winter are attributed to the beginning of foaling and mating in spring and formation of frost inversion layers in winter. Given horse habitat selectivity and the presence of other ungulate herbivores, results from present exclosures are likely to exaggerate the size of horse impacts on range vegetation. Proposals to manage the population by relocation and confinement are likely to modify current social structure and range use behaviour and may lead to the need for more intensive management in the longer term. |
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Ecology Group, Institute of Natural Resources, Massey University, Private Bag 11-222, Palmerston North, New Zealand |
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01106465 (Issn) |
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Cited By (since 1996): 12; Export Date: 21 April 2007; Source: Scopus; Language of Original Document: English; Correspondence Address: Linklater, W.L.; Ecology Group; Institute of Natural Resources; Massey University; Private Bag 11-222 Palmerston North, New Zealand; email: wlinklater@hotmail.com |
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no |
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refbase @ user @ |
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793 |
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Author |
Klein, E.D.; Bhatt, R.S.; Zentall, T.R. |
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Title |
Contrast and the justification of effort |
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Journal Article |
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Year |
2005 |
Publication |
Psychonomic bulletin & review |
Abbreviated Journal |
Psychon Bull Rev |
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Volume |
12 |
Issue |
2 |
Pages |
335-339 |
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Keywords |
Awareness; *Cognition; *Discrimination (Psychology); Female; Humans; Male; Questionnaires; *Visual Perception |
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Abstract |
When humans are asked to evaluate rewards or outcomes that follow unpleasant (e.g., high-effort) events, they often assign higher value to that reward. This phenomenon has been referred to as cognitive dissonance or justification of effort. There is now evidence that a similar phenomenon can be found in nonhuman animals. When demonstrated in animals, however, it has been attributed to contrast between the unpleasant high effort and the conditioned stimulus for food. In the present experiment, we asked whether an analogous effect could be found in humans under conditions similar to those found in animals. Adult humans were trained to discriminate between shapes that followed a high-effort versus a low-effort response. In test, participants were found to prefer shapes that followed the high-effort response in training. These results suggest the possibility that contrast effects of the sort extensively studied in animals may play a role in cognitive dissonance and other related phenomena in humans. |
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University of Kentucky, Lexington, KY 40506-0044, USA |
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ISSN |
1069-9384 |
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Notes |
PMID:16082815 |
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no |
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refbase @ user @ |
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223 |
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Author |
Zentall, S.S.; Zentall, T.R. |
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Title |
Hyperactivity ratings: statistical regression provides an insufficient explanation of practice effects |
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Journal Article |
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Year |
1986 |
Publication |
Journal of pediatric psychology |
Abbreviated Journal |
J Pediatr Psychol |
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Volume |
11 |
Issue |
3 |
Pages |
393-396 |
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Attention Deficit Disorder with Hyperactivity/*diagnosis; Child; Humans; Male; *Practice (Psychology); *Statistics |
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0146-8693 |
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PMID:3772683 |
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no |
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refbase @ user @ |
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261 |
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Author |
Lee, J.; Paik, M. |
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Title |
Sex preferences and fertility in South Korea during the year of the Horse |
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Journal Article |
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Year |
2006 |
Publication |
Demography |
Abbreviated Journal |
Demography |
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Volume |
43 |
Issue |
2 |
Pages |
269-292 |
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Keywords |
Asian Continental Ancestry Group/*psychology; *Astrology; Attitude/*ethnology; Chronology; *Culture; Female; *Fertility; Humans; Korea; Male; *Mythology; Risk; *Sex Ratio; Social Desirability; Time |
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Abstract |
Since antiquity, people in several East Asian countries, such as China, Japan, and South Korea, have believed that a person is destined to possess specific characteristics according to the sign of the zodiac under which he or she was born. South Koreans, in particular, have traditionally considered that the year of the Horse bears inauspicious implications for the birth of daughters. Using monthly longitudinal data at the region level in South Korea between 1970 and 2003, we found that in the year of the Horse, the sex ratio at birth significantly increased while fertility decreased. |
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Address |
Department of Economics, Sam M. Walton College of Business, Business Building 402, University of Arkansas, Fayetteville, AR 72701-1201, USA. jlee@walton.uark.edu |
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English |
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ISSN |
0070-3370 |
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Notes |
PMID:16889129 |
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no |
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Serial |
1867 |
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Author |
Peake, T.M.; Terry, A.M.; McGregor, P.K.; Dabelsteen, T. |
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Title |
Male great tits eavesdrop on simulated male-to-male vocal interactions |
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Journal Article |
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Year |
2001 |
Publication |
Proceedings. Biological sciences / The Royal Society |
Abbreviated Journal |
Proc Biol Sci |
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Volume |
268 |
Issue |
1472 |
Pages |
1183-1187 |
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Keywords |
Animals; Male; Songbirds/*physiology; *Vocalization, Animal |
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Abstract |
Animal communication generally occurs in the environment of a network of several potential signallers and receivers. Within a network environment, it is possible to gain relative information about conspecifics by eavesdropping on signalling interactions. We presented male great tits with the opportunity to gain such information by simulating singing interactions using two loudspeakers. Interactions were presented so that relevant information was not available in the absolute singing behaviour of either individual, only in the relative timing of their songs in the interaction as a whole. We then assayed the information extracted by focal males by subsequently introducing one of the 'interactants' (i.e. loudspeakers) into the territory of the focal male. Focal males responded with a reduced song output to males that had just 'lost' an interaction. Focal males did not respond significantly differently to 'winners' as compared with intruders recently involved in an interaction that contained no consistent information. Focal males also responded by switching song types more often when encountering males that had recently been involved in a low-intensity interaction. These results provide the clearest evidence yet that male songbirds extract information from signal interactions between conspecifics in the field. |
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Address |
Department of Animal Behaviour, Zoological Institute, Tagensvej 16, University of Copenhagen, 2200 Copenhagen N, Denmark. tmpeake@zi.ku.dk |
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ISSN |
0962-8452 |
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PMID:11375107 |
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no |
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Call Number |
refbase @ user @ |
Serial |
712 |
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Permanent link to this record |
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Author |
Gibbs, S.E.B.; Lea, S.E.G.; Jacobs, L.F. |
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Title |
Flexible use of spatial cues in the southern flying squirrel (Glaucomys volans) |
Type |
Journal Article |
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Year |
2007 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
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Volume |
10 |
Issue |
2 |
Pages |
203-209 |
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Keywords |
Animals; Male; Orientation; *Sciuridae; *Space Perception; *Spatial Behavior |
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Abstract |
Insects, birds, and mammals have been shown capable of encoding spatial information in memory using multiple strategies or frames of reference simultaneously. These strategies include orientation to a goal-specific cue or beacon, to the position of the goal in an array of local landmarks, or to its position in the array of distant landmarks, also known as the global frame of reference. From previous experiments, it appears that birds and mammals that scatter hoard rely primarily on a global frame of reference, but this generalization depends on evidence from only a few species. Here we examined spatial memory in a previously unstudied scatter hoarder, the southern flying squirrel. We dissociated the relative weighting of three potential spatial strategies (beacon, global, or relative array strategy) with three probe tests: transposition of beacon and the rotation or the expansion of the array. The squirrels' choices were consistent with a spatial averaging strategy, where they chose the location dictated by at least two of the three strategies, rather than using a single preferred frame of reference. This adaptive and flexible heuristic has not been previously described in animal orientation studies, yet it may be a common solution to the universal problem of encoding and recalling spatial locations in an ephemeral physical landscape. |
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Address |
Department of Psychology, University of California, Berkeley, CA 94720-1650, USA |
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1435-9448 |
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Notes |
PMID:17265151 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2422 |
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Permanent link to this record |
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Author |
Alexander, F.; Collett, R.A. |
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Title |
Pethidine in the horse |
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Journal Article |
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Year |
1974 |
Publication |
Research in veterinary science |
Abbreviated Journal |
Res Vet Sci |
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Volume |
17 |
Issue |
1 |
Pages |
136-137 |
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Keywords |
Animals; Half-Life; Horses/*metabolism; Injections, Intravenous/veterinary; Male; Meperidine/administration & dosage/analysis/*metabolism/pharmacology |
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English |
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0034-5288 |
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PMID:4421117 |
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no |
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Call Number |
refbase @ user @ |
Serial |
113 |
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