Entrainment of the female hamster to reversed photoperiod: role of the pineal.
D000818:Animals; D006224:Cricetinae; D004958:Estradiol / Q000097:blood; D004971:Estrus; D005260:Female; D005640:Follicle Stimulating Hormone / Q000097:blood; D008027:Light; D008647:Mesocricetus; D009043:Motor Activity / Q000502:physiology*; D010507:Periodicity; D010870:Pineal Gland / Q000502:physiology*; D011247:Pregnancy; D011374:Progesterone / Q000097:blood; D012726:Sexual Behavior, Animal / Q000502:physiology*
D011374:Progesterone; D004958:Estradiol; D005640:Follicle Stimulating Hormone