title: Delayed nidation in lactating Mongolian gerbils.
mesh_terms: D000818:Animals; D003338:Corpus Luteum / Q000033:anatomy & histology; D010064:Embryo Implantation; D004971:Estrus; D005260:Female; D005849:Gerbillinae / Q000502:physiology*; D007774:Lactation; D010063:Ovum; D011247:Pregnancy; D013997:Time Factors; D014621:Vagina / Q000166:cytology; D014626:Vaginal Smears; D014886:Weaning