Authors: Ye Li; Qunhong Wu; Ling Xu; David Legge; Yanhua Hao; Lijun Gao; Ning Ning; Gang Wan Journal: Bull World Health Organ Date: 2012-06-13 Impact factor: 9.408
Authors: Ke Xu; David B Evans; Kei Kawabata; Riadh Zeramdini; Jan Klavus; Christopher J L Murray Journal: Lancet Date: 2003-07-12 Impact factor: 79.321