title: Protection from primary sclerosing cholangitis: smoke trails of just coattails?
authors.forename: R D
authors.initials: RD
authors.lastname: Cohen
authors.forename: S B
authors.initials: SB
authors.lastname: Hanauer
mesh_terms: D015209:Cholangitis, Sclerosing / Q000150:complications / Q000453:epidemiology / Q000517:prevention & control*; D003093:Colitis, Ulcerative / Q000150:complications / Q000453:epidemiology / Q000517:prevention & control; D006801:Humans; D007111:Immunity, Cellular; D009538:Nicotine / Q000494:pharmacology; D016017:Odds Ratio; D012907:Smoking / Q000453:epidemiology* / Q000276:immunology
chemical_list: D009538:Nicotine