title: Nidation induced in mice during the lactational delay by the presence of strange males.
mesh_terms: D000818:Animals; D010064:Embryo Implantation; D004967:Estrogens / Q000502:physiology; D005260:Female; D007774:Lactation; D008297:Male; D051379:Mice; D009812:Odorants; D011247:Pregnancy; D013997:Time Factors
chemical_list: D004967:Estrogens