Induction of estrus and ovulation by endometrial biopsy in mares with prolonged diestrus.
D000818:Animals; D001706:Biopsy; D004031:Diestrus; D004717:Endometrium / Q000502:physiology*; D004971:Estrus; D005260:Female; D006736:Horses / Q000502:physiology*; D010060:Ovulation; D011247:Pregnancy; D011374:Progesterone / Q000097:blood
D011374:Progesterone