title: Increase in Leydig cell number in testes of adult rats treated chronically with an excess of human chorionic gonadotropin.
mesh_terms: D000818:Animals; D002452:Cell Count; D006063:Chorionic Gonadotropin / Q000494:pharmacology*; D007985:Leydig Cells / Q000166:cytology / Q000187:drug effects*; D008297:Male; D051381:Rats; D013737:Testis / Q000166:cytology / Q000187:drug effects*
chemical_list: D006063:Chorionic Gonadotropin