Quantitative determination of ursodeoxycholic acid and its deuterated derivative in human bile by gas chromatography-mass fragmentography.
D001646:Bile / Q000032:analysis*; D003840:Deoxycholic Acid / Q000031:analogs & derivatives*; D008401:Gas Chromatography-Mass Spectrometry / Q000379:methods; D006801:Humans; D014580:Ursodeoxycholic Acid / Q000032:analysis*
D003840:Deoxycholic Acid; D014580:Ursodeoxycholic Acid