Comparative study of transumbilical single hole and double hole laparoscopic repair of peptic ulcer perforation
KANGChun-bo,MENGQing-cheng,LIXiao-wei,LIXu-bin,ZHANGQian,QUJun
Journal of Hebei Medical University . 2016, (2): 150 -153,165 .  DOI: 10.3969/j.issn.10073205.2016.02.007