Pregnant mare serum gonadotrophin potency: effect of single and multiple injections.
D000818:Animals; D001681:Biological Assay; D006064:Gonadotropins, Equine / Q000008:administration & dosage* / Q000494:pharmacology*; D066298:In Vitro Techniques; D008297:Male; D010759:Phosphorus Isotopes / Q000378:metabolism*; D011200:Poultry; D013737:Testis / Q000187:drug effects*
D006064:Gonadotropins, Equine; D010759:Phosphorus Isotopes