1. Variation in quality of care by medical institute level in China: a systematic review protocol. Issue 1 (30th January 2023) Authors: Wang, Quan; Tu, Xi; Fu, Yaqun; Zhang, Jiawei; Wei, Xia; Zhu, Zheng; Wang, Ting; Yang, Li Journal: BMJ open Issue: Volume 13:Issue 1(2023) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗