title: Letter: serum vitamin D levels in primary biliary cirrhosis.
authors.affiliation: Department for Internal Medicine IV (Gastroenterology, Hepatology, and Infectious Diseases), University Hospital Jena, Friedrich Schiller University, Jena, Germany. tony.bruns@med.uni-jena.de.
authors.forename: T
authors.identifier: http://orcid.org/0000-0002-5576-6914
authors.initials: T
authors.lastname: Bruns
authors.affiliation: Department for Internal Medicine IV (Gastroenterology, Hepatology, and Infectious Diseases), University Hospital Jena, Friedrich Schiller University, Jena, Germany.
authors.forename: C
authors.initials: C
authors.lastname: Kittler
authors.affiliation: Department for Internal Medicine IV (Gastroenterology, Hepatology, and Infectious Diseases), University Hospital Jena, Friedrich Schiller University, Jena, Germany.
authors.forename: S
authors.initials: S
authors.lastname: Stengel
authors.affiliation: NIHR Biomedical Research Unit and Centre for Liver Research, University of Birmingham, Birmingham, UK.
authors.forename: P J
authors.initials: PJ
authors.lastname: Trivedi
authors.affiliation: Department for Internal Medicine IV (Gastroenterology, Hepatology, and Infectious Diseases), University Hospital Jena, Friedrich Schiller University, Jena, Germany.
authors.forename: A
authors.initials: A
authors.lastname: Stallmach
mesh_terms: D002756:Cholagogues and Choleretics / Q000627:therapeutic use*; D005260:Female; D006801:Humans; D008105:Liver Cirrhosis, Biliary / Q000097:blood* / Q000188:drug therapy*; D008297:Male; D014580:Ursodeoxycholic Acid / Q000627:therapeutic use*; D014807:Vitamin D / Q000031:analogs & derivatives*
chemical_list: D002756:Cholagogues and Choleretics; D014807:Vitamin D; D014580:Ursodeoxycholic Acid