R. Levin

Maternal behavior in the totally mammectomized rat.

H. Moltz, D. Geller, R. Levin, 1967, Journal of comparative and physiological psychology.

Prolactin in the Postpartum Rat: Synthesis and Release in the Absence of Suckling Stimulation

M. Leon, H. Moltz, R. Levin, 1969, Science.

Maternal influences on ontogeny of suckling and feeding rhythms in the rat.

J. Stern, R. Levin, 1975, Journal of comparative and physiological psychology.

Alterations in the maternal behavior of rats rearing malnourished offspring.

W. P. Smotherman, S. Levine, S. Wiener, 1977, Developmental psychobiology.

Differential effects of progesterone on the maternal behavior of primiparous and multiparous rats.

M. Leon, H. Moltz, R. Levin, 1969, Journal of comparative and physiological psychology.

Food availability as a determinant of the rats' circadian rhythm in maternal behavior.

J. Stern, R. Levin, Judith M. Stern, 1976, Developmental psychobiology.

Development of circadian periodicity in base and stress levels of corticosterone.

S. Levine, R. Levin, 1975, The American journal of physiology.

Influence of experiential factors and gonadal hormones on pituitary-adrenal response of the mouse to novelty and electric shock.

S. Levine, J. W. Hennessy, R. Levin, 1977, Journal of comparative and physiological psychology.

Maternal influences on the ontogeny of basal levels of plasma corticosterone in the rat

S. Levine, R. Levin, Kathleen M. Fitzpatrick, 1976, Hormones and Behavior.