Validating traditional Chinese syndrome features in varied stages of chronic gastritis malignant transformation: study protocol for a cross-sectional study
Yin Zhang, Yue Liu, Rui Song, Li Zhang, Zeqi Su, Yannan Li, Runhua Chen, Ning Shi, Xia Zhao, Shiyu Du, Xia Ding
BMJ Open Aug 2018, 8 (8) e020939; DOI: 10.1136/bmjopen-2017-020939