title: The estrous cycle in the lethal spotting mice.
mesh_terms: D000818:Animals; D004971:Estrus; D005260:Female; D051379:Mice; D008815:Mice, Inbred Strains; D009154:Mutation; D010053:Ovary / Q000648:ultrastructure*; D011247:Pregnancy; D011555:Pseudopregnancy; D012726:Sexual Behavior, Animal; D013997:Time Factors; D014626:Vaginal Smears