Helicobacter pylori seropositivity among 963 japanese brazilians according to sex, age generation, and lifestyle factors - Ito, Lucy S.; Oba, Sueli M.; Hamajima, Nobuyuki; Marie, Suely Kazue Nagahashi; Uno, Miyuki; Shinjo, Samuel K.; Kino, Aya; Lavilla, Flávia; Inoue, Minami; Tajima, Kazuo; Tominaga, Suketami (Japanese Journal of Cancer Research, 2001)