title: Effects of partially purified salmon pituitary gonadotrophin on re-initiation of spermatogenesis in the long-term hypophysectomized catfish, Heteropneustes fossilis.
mesh_terms: D000818:Animals; D005399:Fishes; D006065:Gonadotropins, Pituitary / Q000494:pharmacology*; D007016:Hypophysectomy; D007986:Luteinizing Hormone / Q000494:pharmacology; D008297:Male; D012474:Salmon; D012756:Sheep; D013091:Spermatogenesis / Q000187:drug effects; D013094:Spermatozoa / Q000187:drug effects*; D013739:Testosterone / Q000494:pharmacology
chemical_list: D006065:Gonadotropins, Pituitary; D013739:Testosterone; D007986:Luteinizing Hormone