Ma Ma M M Yuan Yuan S S Chen Chen Y Y Zhou Zhou Z Z Preoperative apolipoprotein B/apolipoprotein A1 ratio: a novel prognostic factor for gastric cancer Preoperative apolipoprotein B/apolipoprotein A1 ratio: a novel prognostic factor for gastric cancer Onco Targets Ther Onco Targets Ther 2018 2018 11 11 2169 2169 76 76 29713185 29713185. This evidence concerns the gene APOA1 and gastric cancer.