The response of the ewe to pregnant mare serum and to horse anterior pituitary extract.
D000818:Animals; D004971:Estrus / Q000187:drug effects; D005260:Female; D006064:Gonadotropins, Equine / Q000494:pharmacology*; D006736:Horses; D010053:Ovary / Q000187:drug effects*; D010060:Ovulation / Q000187:drug effects; D010902:Pituitary Gland; D011247:Pregnancy; D011270:Pregnancy, Animal; D012756:Sheep; D014020:Tissue Extracts / Q000494:pharmacology*
D006064:Gonadotropins, Equine; D014020:Tissue Extracts