1. The effect of the National Essential Medicines Policy on health expenditures and service delivery in Chinese township health centres: evidence from a longitudinal study. Issue 12 (22nd December 2014) Authors: Zhang, Xin; Wu, Qunhong; Liu, Guoxiang; Li, Ye; Gao, Lijun; Guo, Bin; Fu, Wenqi; Hao, Yanhua; Cui, Yu; Huang, Weidong; Coyte, Peter C Journal: BMJ open Issue: Volume 4:Issue 12(2014) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗