Lambert R, Provenzale D, Ectors N, Vainio H, Dixon M F, Atkin W, Werner M, Franceschi S, Watanabe H, Tytgat G N, Axon A T, Neuhaus H
Descriptive Epidemiology Unit, International Agency for Research on Cancer, 150 cours Albert Thomas, Lyon 69372 cedex 08, France.
Endoscopy. 2001 Dec;33(12):1042-64. doi: 10.1055/s-2001-18938.