PeerJ Author 135 Points Contributions by role Author 135 Contributions by subject area Evidence Based Medicine Gastroenterology and Hepatology Internal Medicine Pathology Surgery and Surgical Specialties Changjun Luo PeerJ Author Summary Evidence Based Medicine Gastroenterology & Hepatology Internal Medicine Pathology Surgery & Surgical Specialties PeerJ Contributions Articles 1 June 17, 2019 Mir-421 in plasma as a potential diagnostic biomarker for precancerous gastric lesions and early gastric cancer Jianlin Chen, Lihua Wu, Yifan Sun, Qi Yin, Xianhua Chen, Siqun Liang, Qingyan Meng, Haihua Long, Fangying Li, Changjun Luo, Xiaorong Xiao https://doi.org/10.7717/peerj.7002 PubMed 31245174