title: Family study in PBC as a clue to the possible involvement of genetic and environmental factors.
authors.affiliation: Jichi Medical School, Department of Gastroenterology, 3311-1 Minami-Kawachi-Machi, Kawachi-Gun Tochigi, 329-0498, Japan.
authors.forename: Hiroto
authors.initials: H
authors.lastname: Kita