Pineal melatonin content in male hamsters throughout the seasonal reproductive cycle.
D000818:Animals; D006224:Cricetinae; D006065:Gonadotropins, Pituitary / Q000097:blood; D008027:Light; D008297:Male; D008550:Melatonin / Q000032:analysis*; D008647:Mesocricetus; D010870:Pineal Gland / Q000032:analysis*; D012098:Reproduction; D012621:Seasons
D006065:Gonadotropins, Pituitary; D008550:Melatonin