title: Letter: Pigmentation and biliary cirrhosis.
mesh_terms: D001647:Bile Acids and Salts / Q000494:pharmacology / Q000633:toxicity; D004156:Catechol Oxidase / Q000378:metabolism; D006801:Humans; D008105:Liver Cirrhosis, Biliary / Q000150:complications* / Q000201:enzymology; D010447:Peptide Hydrolases / Q000378:metabolism; D010859:Pigmentation Disorders / Q000209:etiology*; D011537:Pruritus / Q000209:etiology; D012867:Skin / Q000201:enzymology
chemical_list: D001647:Bile Acids and Salts; D004156:Catechol Oxidase; D010447:Peptide Hydrolases