Uterine distension and the function of the corpora lutea in the guinea-pig.
D000818:Animals; D003338:Corpus Luteum / Q000502:physiology*; D004971:Estrus / Q000502:physiology*; D005260:Female; D006168:Guinea Pigs; D011247:Pregnancy; D014599:Uterus / Q000502:physiology*