title: Prolactin release in golden hamsters: photoperiod and gonadal influences.
mesh_terms: D000064:Acclimatization; D000818:Animals; D002369:Castration; D006224:Cricetinae; D008027:Light; D008297:Male; D008647:Mesocricetus; D011388:Prolactin / Q000097:blood*; D013312:Stress, Physiological / Q000503:physiopathology; D013737:Testis / Q000502:physiology*; D013997:Time Factors
chemical_list: D011388:Prolactin