Appearance of oestrone sulphate in the allantoic fluid of the cow.
D000482:Allantois / Q000378:metabolism*; D000818:Animals; D001826:Body Fluids / Q000378:metabolism; D002417:Cattle; D004970:Estrone / Q000031:analogs & derivatives / Q000378:metabolism*; D005321:Extraembryonic Membranes / Q000378:metabolism*; D005260:Female; D005865:Gestational Age; D011247:Pregnancy
D004970:Estrone