title: A critique of the evidence on the importance of steroid feedback to seasonal changes in gonadotrophin secretion.
mesh_terms: D000818:Animals; D001717:Birds / Q000502:physiology; D002369:Castration; D003370:Coturnix / Q000502:physiology; D006224:Cricetinae; D003670:Deer / Q000502:physiology; D005246:Feedback; D005260:Female; D005640:Follicle Stimulating Hormone / Q000378:metabolism*; D006066:Gonads / Q000502:physiology; D008027:Light; D007986:Luteinizing Hormone / Q000378:metabolism*; D008297:Male; D008647:Mesocricetus / Q000502:physiology; D010507:Periodicity; D012098:Reproduction / Q000528:radiation effects; D012621:Seasons; D012756:Sheep / Q000502:physiology*; D013045:Species Specificity
chemical_list: D007986:Luteinizing Hormone; D005640:Follicle Stimulating Hormone