title: Shortening of pseudopregnancy and the oestrous cycle following a previous pseudopregnancy in the rat.
mesh_terms: D000818:Animals; D004971:Estrus; D005260:Female; D008297:Male; D011247:Pregnancy; D011555:Pseudopregnancy; D051381:Rats; D013997:Time Factors; D014626:Vaginal Smears