title: [Duration of the estrous cycle as a factor for species conservation].
authors.forename: I G
authors.initials: IG
authors.lastname: Gerasimov
mesh_terms: D000818:Animals; D030762:Estrous Cycle / Q000502:physiology*; D006801:Humans; D008098:Litter Size; D008322:Mammals; D008597:Menstrual Cycle / Q000502:physiology*; D013045:Species Specificity; D013997:Time Factors