LC/ESI-tandem mass spectrometric determination of bile acid 3-sulfates in human urine: 3β-Sulfooxy-12α-hydroxy-5β-cholanoic acid is an abundant nonamidated sulfate
Keywords: اسید صفراوی; Bile acid; Sulfate; Liquid chromatography/tandem mass spectrometry; Electrospray ionization; Human; Urine