PeerJ Author 135 Points Contributions by role Author 135 Contributions by subject area Diabetes and Endocrinology Epidemiology Oncology Xianfeng Zhang PeerJ Author Summary i like studying and known some thing new PeerJ Contributions Articles 1 May 23, 2017 A retrospective analysis of postoperative hypokalemia in pituitary adenomas after transsphenoidal surgery Lili You, Wenpeng Li, Tang Chen, Dongfang Tang, Jinliang You, Xianfeng Zhang https://doi.org/10.7717/peerj.3337 PubMed 28560099