Chemical characterization of pigment gallstones using 13C nuclear magnetic resonance analysis.
D001663:Bilirubin / Q000032:analysis; D002247:Carbon Isotopes; D002769:Cholelithiasis / Q000473:pathology*; D002784:Cholesterol / Q000032:analysis; D006801:Humans; D009682:Magnetic Resonance Spectroscopy
D002247:Carbon Isotopes; D002784:Cholesterol; D001663:Bilirubin