... the association between ABO genotype and gastric cancer risk in a Korean population Gastric cancer : official journal of the International Gastric Cancer Association and the Japanese Gastric Cancer. .. GL and GJ; data analysis: YM, WY and JD; Systematic review and meta-analysis: QQ, TW and HM; molecular analysis and technical support: QQ, FY and HZ; data interpretation: YM, QQ, GL and GJ; manuscript... of gastric cancer risk according to blood groups A, B and AB versus group O, respectively Overall, compared with blood group O, group A and AB were associated with significant increased gastric