1. Transcatheter closure, mini-invasive closure and open-heart surgical repair for treatment of perimembranous ventricular septal defects in children: a protocol for a network meta-analysis. Issue 6 (21st June 2017) Authors: You, Tao; Yi, Kang; Ding, Zhao-hong; Hou, Xiao-dong; Liu, Xing-guang; Wang, Xin-kuan; Ge, Long; Tian, Jin-hui Journal: BMJ open Issue: Volume 7:Issue 6(2017) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗