title: The pregnant mares' urine industry--management and research.
authors.affiliation: Department of Veterinary and Animal Sciences, University of Massachusetts, Amherst 01003, USA.
authors.forename: D A
authors.initials: DA
authors.lastname: Freeman
mesh_terms: D000822:Animal Husbandry / Q000379:methods* / Q000592:standards; D000827:Animal Welfare; D000818:Animals; D002170:Canada; D004966:Estrogens, Conjugated (USP) / Q000302:isolation & purification / Q000652:urine*; D005260:Female; D006736:Horses / Q000652:urine*; D011247:Pregnancy; D011270:Pregnancy, Animal / Q000652:urine*; D012106:Research; D014481:United States
chemical_list: D004966:Estrogens, Conjugated (USP)