1. Impact of previous open renal surgery on the outcomes of subsequent percutaneous nephrolithotomy: a meta-analysis. Issue 4 (28th April 2016) Authors: Hu, Henglong; Lu, Yuchao; Cui, Lei; Zhang, Jiaqiao; Zhao, Zhenyu; Qin, Baolong; Wang, Yufeng; Wang, Qing; Wang, Shaogang Journal: BMJ open Issue: Volume 6:Issue 4(2016) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗