Plasma Prolactin during the Breeding Season in Adult and Immature Macaroni (Eudyptes chrysolophus) and Gentoo (Pygoscelis papua) Penguins

General and Comparative Endocrinology - Tập 92 - Trang 339-346 - 1993
T.D. Williams1, P.J. Sharp1
1Department of Animal & Plant Sciences, P.O. Box 601, University of Sheffield, Sheffield, S10 2UQ; and Department of Reproduction and Development, Agriculture and Food Research Council, Roslin Institute, Roslin, Midlothian, EH25 9PS, United Kingdom