title: On the chemistry of human pigment gallstones.
mesh_terms: D001654:Bile Pigments / Q000032:analysis*; D001663:Bilirubin / Q000032:analysis; D001664:Biliverdine / Q000032:analysis; D002769:Cholelithiasis / Q000378:metabolism*; D006801:Humans; D008543:Melanins / Q000032:analysis; D014557:Urobilin / Q000032:analysis
chemical_list: D001654:Bile Pigments; D008543:Melanins; D014557:Urobilin; D001664:Biliverdine; D001663:Bilirubin