title: [Development of a gonadotropin bioassay system using isolated Leydig cells].
mesh_terms: D000328:Adult; D000818:Animals; D001681:Biological Assay / Q000379:methods*; D006063:Chorionic Gonadotropin / Q000032:analysis; D005260:Female; D006062:Gonadotropins / Q000032:analysis*; D006801:Humans; D066298:In Vitro Techniques; D007985:Leydig Cells / Q000187:drug effects*; D007986:Luteinizing Hormone / Q000032:analysis; D008297:Male; D011247:Pregnancy; D051381:Rats
chemical_list: D006063:Chorionic Gonadotropin; D006062:Gonadotropins; D007986:Luteinizing Hormone