Significant association between PTPN11 polymorphism and gastric atrophy among japanese brazilians - Kawai, Sayo; Goto, Yasuyuki; Ito, Lucy S.; Shinjo, Sueli Mieko Oba; Uno, Miyuki; Shinjo, Samuel K.; Ishida, Yoshiko; Marie, Suely Kazue Nagahashi; Ishida, Yoshiro; Nishio, Kazuko; Naito, Mariko; Hamajima, Nobuyuki (Gastric cancer, 2006)