title: Are pigmented gall stones caused by a "metabolic" liver defect?
mesh_terms: D001646:Bile / Q000032:analysis; D001663:Bilirubin / Q000032:analysis; D002769:Cholelithiasis / Q000209:etiology* / Q000378:metabolism; D006801:Humans; D008107:Liver Diseases / Q000150:complications* / Q000378:metabolism; D008875:Middle Aged; D010858:Pigmentation
chemical_list: D001663:Bilirubin