title: Seasonal variation in ovarian responsiveness of the cycling hamster to PMSG.
mesh_terms: D000818:Animals; D006224:Cricetinae; D004780:Environment, Controlled; D005260:Female; D006064:Gonadotropins, Equine / Q000494:pharmacology*; D010060:Ovulation / Q000187:drug effects*; D012621:Seasons
chemical_list: D006064:Gonadotropins, Equine