title: Enzymatic determination of unconjugated oestrogens in faeces for pregnancy diagnosis in mares.
mesh_terms: D000818:Animals; D004967:Estrogens / Q000032:analysis*; D005243:Feces / Q000032:analysis*; D005260:Female; D006736:Horses / Q000502:physiology*; D011247:Pregnancy; D011258:Pregnancy Tests / Q000662:veterinary*; D011863:Radioimmunoassay / Q000662:veterinary
chemical_list: D004967:Estrogens