| Records |
| Author |
Nallan, G.B.; Pace, G.M.; McCoy, D.F.; Zentall, T.R. |
| Title |
Temporal parameters of the feature positive effect |
Type |
Journal Article |
Year  |
1979 |
Publication |
The American journal of psychology |
Abbreviated Journal |
Am J Psychol |
| Volume |
92 |
Issue |
4 |
Pages |
703-710 |
| Keywords |
Animals; Columbidae; Conditioning, Operant; *Discrimination Learning; Form Perception; Male; *Time Perception |
| Abstract |
Trial duration and intertrial interval duration were parametrically varied between groups of pigeons exposed to a discrimination involving the presence vs. the absence of a dot. Half the groups received the dot as the positive stimulus (feature positive groups) and half the groups received the dot as the negative stimulus (feature negative groups). Faster learning by the feature positive birds (feature positive effect) was found when the trial duration was short (5 sec) regardless of whether the intertrial interval was short (5 sec) or long (30 sec). No evidence for a feature positive effect was found when the trial duration was long (30 sec) regardless of the length of the intertrial interval (30 sec or 180 sec). The results suggest that short trial duration is a necessary condition for the occurrence of the feature positive effect, and neither intertrial interval nor trial duration/intertrial interval ratio are important for its occurrence. The suggestion that mechanisms underlying the feature positive effect and autoshaping might be similar was not supported by the present experiment since the trial duration/intertrial interval ration parameter appears to play an important role in autoshaping but not the feature positive effect. |
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English |
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Edition |
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| ISSN |
0002-9556 |
ISBN |
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Medium |
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| Notes |
PMID:532834 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
269 |
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| Author |
Mori, U. |
| Title |
Ecological and sociological studies of gelada baboons. Individual relationships within a unit |
Type |
Journal Article |
| Year |
1979 |
Publication |
Contributions to Primatology |
Abbreviated Journal |
Contrib Primatol |
| Volume |
16 |
Issue |
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Pages |
93-124 |
| Keywords |
Animals; Female; Grooming; *Haplorhini; *Leadership; Male; Paternal Behavior; *Social Behavior; *Theropithecus |
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English |
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Series Title |
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Abbreviated Series Title |
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Series Issue |
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Edition |
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| ISSN |
0301-4231 |
ISBN |
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Medium |
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Expedition |
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Conference |
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| Notes |
PMID:101345 |
Approved |
no |
| Call Number |
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Serial |
2046 |
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| Author |
Mori, U. |
| Title |
Ecological and sociological studies of gelada baboons. Inter-unit relationships |
Type |
Journal Article |
| Year |
1979 |
Publication |
Contributions to Primatology |
Abbreviated Journal |
Contrib Primatol |
| Volume |
16 |
Issue |
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Pages |
83-92 |
| Keywords |
Animals; Female; *Haplorhini; Leadership; Sex Factors; *Social Behavior; Social Distance; *Theropithecus |
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English |
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Abbreviated Series Title |
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Series Issue |
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Edition |
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| ISSN |
0301-4231 |
ISBN |
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Conference |
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| Notes |
PMID:101344 |
Approved |
no |
| Call Number |
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Serial |
2047 |
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| Author |
Mori, U. |
| Title |
Ecological and sociological studies of gelada baboons. Unit formation and the emergence of a new leader |
Type |
Journal Article |
| Year |
1979 |
Publication |
Contributions to Primatology |
Abbreviated Journal |
Contrib Primatol |
| Volume |
16 |
Issue |
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Pages |
155-181 |
| Keywords |
Animals; Female; Grooming; *Haplorhini; Leadership; Male; *Social Behavior; Social Distance; *Theropithecus |
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English |
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Series Title |
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Abbreviated Series Title |
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Series Issue |
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Edition |
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| ISSN |
0301-4231 |
ISBN |
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Medium |
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Conference |
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| Notes |
PMID:101335 |
Approved |
no |
| Call Number |
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Serial |
2048 |
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| Author |
Ribeiro, H.S.; Larangeira, N.L.; Paiva, F. |
| Title |
[Prevalence of Dictyocaulus arnfieldi (Cobbald, 1884) Railiet & Henry 1907, in Pantaneira breed horses of the region of Pocone, MT] |
Type |
Journal Article |
| Year |
1979 |
Publication |
Arquivos do Instituto Biologico |
Abbreviated Journal |
Arq Inst Biol (Sao Paulo) |
| Volume |
46 |
Issue |
3-4 |
Pages |
107-110 |
| Keywords |
Animals; Brazil; Dictyocaulus/*isolation & purification; Ecology; Female; Horses/*parasitology; Male; Metastrongyloidea/*isolation & purification; Seasons |
| Abstract |
The authors sacrificed fifty-five horses originated from the “Pantanal”, lowlands in the State of Mato Grosso in two different periods, droughty period and flooded and they described for the first time the Dictyocaulus arnfieldi in Mato Grosso. Relationship between droughty and flooded periods proved not to occur. |
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| Language |
Portuguese |
Summary Language |
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Original Title |
Prevalencia de Dictyocaulus arnfieldi (Cobbald, 1884) Railiet & Henry 1907, em cavalos de raca pantaneira da regiao de Pocone, MT |
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Series Title |
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Abbreviated Series Title |
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Series Issue |
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Edition |
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| ISSN |
0020-3653 |
ISBN |
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Medium |
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Conference |
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| Notes |
PMID:554599 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2693 |
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| Author |
[No authors listed] |
| Title |
International Conference on Environmental Cadmium: an overview |
Type |
Conference Article |
| Year |
1979 |
Publication |
Environmental Health Perspectives |
Abbreviated Journal |
Environ Health Perspect |
| Volume |
28 |
Issue |
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Pages |
297-30 |
| Keywords |
Animals; Cadmium/*toxicity; Cadmium Poisoning/metabolism; Congresses; Ecology; Environmental Exposure; Environmental Pollutants/*toxicity; Female; Forecasting; Haplorhini; Horses; Humans; Rats; Waste Disposal, Fluid |
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Place of Publication |
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Editor |
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English |
Summary Language |
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Original Title |
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| Series Editor |
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Series Title |
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Abbreviated Series Title |
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| Series Volume |
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Series Issue |
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Edition |
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| ISSN |
0091-6765 |
ISBN |
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Medium |
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| Area |
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Expedition |
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Conference |
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| Notes |
PMID:39745 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2694 |
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| Author |
Czerlinski, G.H.; Erickson, J.O.; Theorell, H. |
| Title |
Chemical relaxation studies on the horse liver alcohol dehydrogenase system |
Type |
Journal Article |
| Year |
1979 |
Publication |
Physiological Chemistry and Physics |
Abbreviated Journal |
Physiol Chem Phys |
| Volume |
11 |
Issue |
6 |
Pages |
537-569 |
| Keywords |
Alcohol Oxidoreductases/*metabolism; Animals; Buffers; Electron Transport; Ethanol/metabolism; Horses; Hydrogen-Ion Concentration; Liver/*enzymology; Mathematics; NAD/metabolism; Oscillometry; Osmolar Concentration; Temperature; Time Factors |
| Abstract |
Chemical relaxation studies on the system horse liver alcohol dehydrogenase, nicotinamide adenine dinucleotide, and ethanol were conducted observing fluorescence changes between 400 and 500 nm. Temperature-jump experiments were performed at pH 6.5, 7.0, 8.0, and 9.0; concentration-jump experiments at pH 9.0. The reciprocal of the slowest relaxation time was found to be linearly dependent upon the enzyme concentration for relatively low enzyme concentrations, as predicted earlier. Use of the wide pH-range necessitated expression of the four apparent dissociation constants of the catalytic reaction cycle in terms of pH-independent constants. The system was described in terms of only one (or two) catalysis-linked protons not associated with the electron transfer. Protonic steps in a buffered system are in rapid equilibrium, too fast to be measured with the equipment available. Assuming only two of the four bimolecular reaction steps in the four-step cycle are fast compared to the remaining two, six cases may be considered with six expressions for the reciprocal of the slowest relaxation time. Comparison with the experimental data revealed that the bimolecular reaction steps governing the slowest relaxation time change with pH. Above the effective time resolution of the temperature-lump instrument with fluorescence detection (0.1 msec) only one other relaxation time was detectable and only at pH 9. This relaxation time, found to be independent of the concentration of all reactants within experimental error (r = 10 +/- 5 msec), is most likely due to an interconversion among ternary complexes. |
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English |
Summary Language |
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Original Title |
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Series Title |
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Abbreviated Series Title |
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Series Issue |
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Edition |
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| ISSN |
0031-9325 |
ISBN |
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Medium |
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| Area |
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Expedition |
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Conference |
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| Notes |
PMID:44918 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
3813 |
| Permanent link to this record |
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| Author |
Wilson, M.T.; Silvestrini, M.C.; Morpurgo, L.; Brunori, M. |
| Title |
Electron transfer kinetics between Rhus vernicifera stellacyanin and cytochrome c (horse heart cytochrome c and Pseudomonas cytochrome c551) |
Type |
Journal Article |
| Year |
1979 |
Publication |
Journal of Inorganic Biochemistry |
Abbreviated Journal |
J Inorg Biochem |
| Volume |
11 |
Issue |
2 |
Pages |
95-100 |
| Keywords |
Animals; Copper; Cytochrome c Group/*metabolism; Electron Transport; Kinetics; Metalloproteins/*metabolism; Plant Proteins/*metabolism; *Plants, Toxic; Pseudomonas aeruginosa/*metabolism; Toxicodendron/*metabolism |
| Abstract |
The electron transfer reactions between Rhus vernicifera stellacyanin and either horse heart cytochrome c or Pseudomonas aeruginosa cytochrome c551 were investigated by rapid reaction techniques. The time course of electron transfer is monophasic under all conditions, and thus consistent with a simple formulation of the reaction. Both stopped-flow and temperature-jump experiments yield equilibrium constants in reasonable agreement with values calculated from the redox potentials. The differences in reaction rate between the two cytochromes and stellacyanin are discussed in terms of the Marcus theory. |
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English |
Summary Language |
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Original Title |
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Series Title |
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Abbreviated Series Title |
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Series Issue |
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Edition |
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| ISSN |
0162-0134 |
ISBN |
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Medium |
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| Area |
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Expedition |
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Conference |
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| Notes |
PMID:228006 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
3879 |
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| Author |
Graham, M.; Letz, R. |
| Title |
Within-species variation in the development of ultrasonic signaling of preweanling rats |
Type |
Journal Article |
| Year |
1979 |
Publication |
Developmental Psychobiology |
Abbreviated Journal |
Dev Psychobiol |
| Volume |
12 |
Issue |
2 |
Pages |
129-136 |
| Keywords |
Animals; *Animals, Newborn; Animals, Suckling; Body Weight; Cold/adverse effects; Environment; Genotype; Individuality; Object Attachment; Rats; Stress/*physiopathology; Ultrasonics; *Vocalization, Animal |
| Abstract |
The development of litter and individual differences in the rate of ultrasonic signaling of neonatal rats was studied. Systematic variations among litters and individuals emerged, without differential treatment. These differences were not correlated with variations in general development as indexed by body weight. Two experiments using a cross-fostering design showed that litter differences developed independently of variations in postnatal environment. These results indicate that the variations among litters in ultrasound rate have a prenatal, possibly genetic, etiology and may represent reliable indicants of response to environmental stress. |
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English |
Summary Language |
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Original Title |
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Series Title |
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Abbreviated Series Title |
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Series Issue |
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Edition |
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| ISSN |
0012-1630 |
ISBN |
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Medium |
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| Area |
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Expedition |
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Conference |
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| Notes |
PMID:456751 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
4172 |
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| Author |
Houpt, K.A.; Wolski, T.R. |
| Title |
Stability of equine hierarchies and the prevention of dominance related aggression |
Type |
Journal Article |
| Year |
1980 |
Publication |
Equine veterinary journal |
Abbreviated Journal |
Equine Vet J |
| Volume |
12 |
Issue |
1 |
Pages |
15-18 |
| Keywords |
*Aggression; Animals; *Behavior, Animal; Feeding Behavior; Female; *Hierarchy, Social; *Horses; Humans; Male; Maternal Behavior; *Social Dominance |
| Abstract |
The dominance hierarchy of a herd of 10 Thoroughbred mares was determined twice, at an interval of 18 months, using paired feeding tests. Each mare's rank was correlated significantly between the 2 tests. This indicated that the hierarchy within the herd was stable. The offspring of dominant and subordinate mares were also tested for dominance in their own age groups. The offspring of dominant mares tended to be near the top of the hierarchy while those of middle and low ranking mares were not consistently found in the middle or bottom of their own hierarchies. Paired feeding tests were carried out on 8 ponies. During tests the time that each pony spent eating and the ponies' aggressive interactions were recorded. Two situations were used. Each pony-pair was tested when both ponies were in the same paddock and also when they were separated by a rail fence. The subordinate ponies spent significantly more time eating and the domonant pony was significantly less aggressive, when the pony-pair was separated by a fence than when they were in one paddock. It was concluded that the dominance hierarchies of adult horse groups changed very little over time and that the foals of dominant mares will tend to be dominant in their own age groups. Management practices can be used to reduce aggression and consequent injury that may arise in group feeding situations. |
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English |
Summary Language |
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Original Title |
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Series Title |
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Abbreviated Series Title |
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| Series Volume |
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Series Issue |
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Edition |
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| ISSN |
0425-1644 |
ISBN |
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Medium |
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| Area |
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Expedition |
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Conference |
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| Notes |
PMID:7189148 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
59 |
| Permanent link to this record |
