Correlation between helicobacter pylori infection, gastric diseases and life habits among patients treated at a University Hospital in Southeast Brazil - Módena, José Luiz Proença; Acrani, Gustavo Olszanski; Micas, André Fernando Ditondo; Castro, Marly de; Silveira, Wanderley Dias da; Modena, José Luiz Pimenta; Oliveira, Ricardo Brandt de; Brocchi, Marcelo (Brazilian Journal of Infectious Diseases, 2007)