Authors: J D Hardcastle; J O Chamberlain; M H Robinson; S M Moss; S S Amar; T W Balfour; P D James; C M Mangham Journal: Lancet Date: 1996-11-30 Impact factor: 79.321
Authors: Sidney Winawer; Robert Fletcher; Douglas Rex; John Bond; Randall Burt; Joseph Ferrucci; Theodore Ganiats; Theodore Levin; Steven Woolf; David Johnson; Lynne Kirk; Scott Litin; Clifford Simmang Journal: Gastroenterology Date: 2003-02 Impact factor: 22.682