title: Photoperiod effect on gonadotropin releasing hormone induced ovulation in the immature rat.
mesh_terms: D000367:Age Factors; D000818:Animals; D002940:Circadian Rhythm; D003338:Corpus Luteum / Q000166:cytology; D005260:Female; D007987:Gonadotropin-Releasing Hormone / Q000494:pharmacology*; D006064:Gonadotropins, Equine / Q000494:pharmacology; D008027:Light; D010060:Ovulation / Q000187:drug effects / Q000528:radiation effects*; D011830:Radiation Effects; D051381:Rats
chemical_list: D006064:Gonadotropins, Equine; D007987:Gonadotropin-Releasing Hormone