Luteinizing hormone regulation and sexual behavior in middle-aged female rats.
D000375:Aging; D000818:Animals; D004971:Estrus; D005260:Female; D007986:Luteinizing Hormone / Q000097:blood / Q000378:metabolism*; D010060:Ovulation; D011187:Posture; D011247:Pregnancy; D011374:Progesterone / Q000097:blood; D051381:Rats; D012726:Sexual Behavior, Animal; D012741:Sexual Maturation
D011374:Progesterone; D007986:Luteinizing Hormone