title: [Classification of gallstone based on cross-sectional surface structures and chemical compositions].
mesh_terms: D001663:Bilirubin / Q000032:analysis; D002769:Cholelithiasis / Q000145:classification* / Q000378:metabolism; D002784:Cholesterol / Q000032:analysis; D006801:Humans
chemical_list: D002784:Cholesterol; D001663:Bilirubin