title: Impacted pigment gallstone.
authors.affiliation: Wayne State University School of Medicine, Detroit, Michigan, USA.
authors.forename: A
authors.initials: A
authors.lastname: Zagnoon
authors.forename: M N
authors.initials: MN
authors.lastname: Ehrinpreis
mesh_terms: D000328:Adult; D014670:Ampulla of Vater; D000755:Anemia, Sickle Cell / Q000150:complications; D001654:Bile Pigments; D002769:Cholelithiasis / Q000150:complications*; D003137:Common Bile Duct Diseases / Q000209:etiology*; D005260:Female; D006801:Humans
chemical_list: D001654:Bile Pigments