求文献一篇,4 }* k( \% e8 `, v! v$ P3 w
Systematic review of Chinese studies of short-term exposure to air pollution and daily mortality / I6 k/ u, t" B! c1 K0 Z ( ~% J/ }& i' Q0 N7 E ]ELsevier 数据库7 _# p, S. c& N, ^: Q
7 v/ x# t& Z* y0 e' A地址 http://www.ncbi.nlm.nih.gov/pubmed/23434817 4 z0 z5 M z$ r3 X m1 E 1 ]2 m0 B" k. Z( H) Q" o谢谢