Bismuth-Based Quadruple Therapy with Bismuth Subcitrate, Metronidazole, Tetracycline and Omeprazole in the Eradication of Helicobacter pylori oleh Raymond Lahaie, Alain Farley, Chrystian Dallaire, André Archambault, Carlo A Fallone, Terry Ponich, Richard Hunt, Michael Oravec, Paul Whitsitt, Sander Veldhuyzen Van Zanten, Norman Marcon, Robert Bailey, André Dumont, Bich Nguyen, Sylvain Desrochers, Jean Spénard