J. Erwin

Publications32
h-index15
Citations824
Highly Influential Citations18
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BIOSYNTHESIS OF UNSATURATED FATTY ACIDS IN MICROORGANISMS.
  • 173
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Reproductive Tract Infections Among Women in Ado-Ekiti, Nigeria: Symptoms Recognition Perceived Causes and Treatment Choices
In 1990 clinical studies group discussions a household survey and in-depth interviews were the techniques used for a study examining reproductive tract infections (RTI) among Yoruba women in… Expand
  • 27
  • 3
Analysis of Rhesus monkey vocalizations: maturation-related sex differences in clear-cell frequency.
In the first of two studies six like-sexed pairs of rhesus macaques early in their third year of life were observed for two days, then separated for two days, and finally reunited for two days. In… Expand
  • 15
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Nursing Behavior of Infant Pigtail Monkeys (Macaca Nemestrina): Preferences for Nipples
Nursing behavior of 56 singleton infant pigtail monkeys (Macaca nemestrina) was monitored. Infants over 1 mo. of age showed strong preferences for one of their mothers' nipples, while few infants… Expand
  • 15
  • 2
LIPID METABOLISM OF EUGLENA GRACILIS.
In both plants and animals pathways exist for the conversion of oleic acid to polyenoic acids (1, 2), but these pathways lead to different end products in the two kingdoms. In green plants the double… Expand
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  • PDF
Sterol requirements of a ciliate Tetrahymena corlissi Th-X. I. A nutritional analysis of the sterol requirements of T. corlissi Th-X. II. Metabolism of tritiated lopohenol in T. corlissi Th-X.
1. 1. Tetrahymena corlissi Th-X, a tetrahymenid ciliate, has been cultivated under axenic conditions in a medium of known chemical composition (within limits of contemporary standards of chemical… Expand
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  • 1
Percutaneous transluminal coronary angioplasty in unstable angina: comparison with stable angina.
Percutaneous transluminal coronary angioplasty was performed in 25 patients with unstable angina and in a similar group of 25 patients with stable angina. The frequency of single, double, and triple… Expand
  • 53
  • 1
  • PDF
Abnormal Behavior in Non-Isolate-Reared Rhesus Monkeys
The research reported here documents the existence of self-directed aggression in non-isolate-reared rhesus monkeys. Ss for this series of studies were reared with their mothers for most of the first… Expand
  • 47
  • 1
Factors influencing aggressive behavior and risk of trauma in the pigtail macaque (Macaca nemestrina).
  • J. Erwin
  • Biology, Medicine
  • Laboratory animal science
  • 1 August 1977
Several experiments and surveys were conducted in a large colony of pigtail macaques (Macaca nemestrina) to determine some of the influences of spatial and social factors on aggressive behavior and… Expand
  • 30
  • 1
Aggression in Captive Pigtail Monkey Groups: Effects of Provision of Cover
To assess the influence of provision of “cover” on aggressive behavior in captive nonhuman primate groups, concrete cylinders were introduced into rooms in which six groups of pigtail monkeys… Expand
  • 33
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