title: Sterility and fertility.
mesh_terms: D000328:Adult; D000818:Animals; D004809:Ephedrine / Q000627:therapeutic use; D005260:Female; D005298:Fertility; D006062:Gonadotropins / Q000627:therapeutic use; D006168:Guinea Pigs; D006801:Humans; D007248:Infertility, Male / Q000209:etiology / Q000628:therapy; D008297:Male; D008777:Methyltestosterone / Q000627:therapeutic use; D010808:Physical Examination; D011247:Pregnancy; D011817:Rabbits; D013739:Testosterone / Q000627:therapeutic use; D014659:Vasectomy
chemical_list: D006062:Gonadotropins; D013739:Testosterone; D004809:Ephedrine; D008777:Methyltestosterone