title: Determination of urinary estrogen by thin layer chromatography in sheep under in vivo condition of urinary chromogen reduction.
mesh_terms: D000818:Animals; D002855:Chromatography, Thin Layer / Q000379:methods; D004967:Estrogens / Q000652:urine*; D005260:Female; D010860:Pigments, Biological / Q000652:urine; D011247:Pregnancy; D012756:Sheep / Q000652:urine*
chemical_list: D004967:Estrogens; D010860:Pigments, Biological