Concentration-Response Relationship between PM_2.5 and Daily Respiratory Deaths in China: A Systematic Review and Metaregression Analysis of Time-Series Studies

Box 5

China National Knowledge Infrastructure (中国知网).

Date of Search: 2016-09-03

Number of hits: 496

(1) 细颗粒物

(2) PM2.5

(3) (1) or (2)

(4) 呼吸系统

(5) 死亡

(6) 中国

(7) 前瞻性

(8) (3) & (4)

(9) (3) & (5)

(10) (6) & (7) & (8) & (9)