[Method of direct standardization of pregnant mare serum].
D000818:Animals; D001681:Biological Assay; D006063:Chorionic Gonadotropin / Q000592:standards*; D005260:Female; D006736:Horses; D007813:Laparotomy; D051379:Mice; D011247:Pregnancy; D011270:Pregnancy, Animal; D012756:Sheep; D014730:Veterinary Medicine
D006063:Chorionic Gonadotropin
Metod priamoĭ standartizatsii SZh.