Aspects of the reproductive endocrinology of the female Giant panda (Ailuropoda metanoleaca) in captivity with special reference to the detection of ovulation and pregnancy
Institute of Zoology, The Zoological Society of London, Regent's Park, London NWI 4R Y, England;*Parque Zoologico de la Casa de Campo, Madrid 11, Spain;**National Zoological Park, Smithsonian Institution, Washington DC 20008, U.S.A.