title: In vitro production of 17 alpha,20 beta-dihydroxy-4-pregnen-3-one by ovarian tissue of a tropical catfish, Clarias macrocephalus, Gunther.
mesh_terms: D019326:17-alpha-Hydroxyprogesterone; D000818:Animals; D002397:Catfishes / Q000378:metabolism*; D006063:Chorionic Gonadotropin / Q000494:pharmacology; D005260:Female; D006908:Hydroxyprogesterones / Q000096:biosynthesis* / Q000378:metabolism; D010053:Ovary / Q000187:drug effects / Q000378:metabolism*; D011863:Radioimmunoassay
chemical_list: D006063:Chorionic Gonadotropin; D006908:Hydroxyprogesterones; C007433:17,20-dihydroxy-4-pregnen-3-one; D019326:17-alpha-Hydroxyprogesterone