title: Control of the preovulatory surge of luteinizing hormone in the hen (Gallus domesticus): the role of progesterone and androgens.
mesh_terms: D000728:Androgens / Q000097:blood / Q000502:physiology*; D000818:Animals; D002645:Chickens / Q000502:physiology*; D002940:Circadian Rhythm; D005260:Female; D007986:Luteinizing Hormone / Q000097:blood / Q000378:metabolism*; D010060:Ovulation; D011374:Progesterone / Q000097:blood / Q000502:physiology*
chemical_list: D000728:Androgens; D011374:Progesterone; D007986:Luteinizing Hormone