title: A layerwise quantitation of human cholesterol gallstone constituents.
mesh_terms: D000328:Adult; D001663:Bilirubin / Q000032:analysis; D002118:Calcium / Q000032:analysis; D002769:Cholelithiasis / Q000378:metabolism*; D002784:Cholesterol / Q000032:analysis*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011506:Proteins / Q000032:analysis
chemical_list: D011506:Proteins; D002784:Cholesterol; D001663:Bilirubin; D002118:Calcium