Objective: the aim of our study was to explore the incidence, pathogenesis and clinical features of malignant change of gastric ulcer.

目的：研究胃溃疡癌变的发病率、发病机理及临床特点。

youdao

Objective: the aim of our study was to explore the incidence, pathogenesis and clinical features of malignant change of gastric ulcer.

目的：研究胃溃疡癌变的发病率、发病机理及临床特点。

youdao