6Peng RD, Bell ML, Geyh AS, et al. Emergency admis sions for cardiovascular and respiratory diseases and the chemical composition of fine particle air pollution [J]. Envi ron Health Perspect, 2009, 117 (6): 957-963.
8Zhu Y, Smith T J, Davis ME, et al. Comparing gravimetric and real time sampling of PM2.5 concentrations inside truck cabins [J].J OccupEnviron Hyg, 2011, 8 (11): 662-672.
9Kim JY, Magari SR, Herrick RF, et al. Comparison offine particle measurements from a direct-reading instrument and a gravimetric sampling method [J]. J Occup Environ Hyg, 2004, 1 (11): 707 715.
10Wu CF, Delfino RJ, Floro JN, etal. Evaluation and quali- ty control of personal nephelometers in indoor, outdoor and personal environments [J]. J Expo Anal Environ Epidemi- ol, 2005, 15 (1): 99 -110.
