[Concentration Characteristics of PM2.5 in Beijing During Two Red Alert Periods].
Cheng NL, Zhang DW, Chen T, Shi AJ, Sun F, Liu BX, Zhou BD, Wang Q, Li Q, Wang XJ, Jiang L, Meng F.
Cheng NL, et al. Among authors: li q.
Huan Jing Ke Xue. 2016 Jul 8;37(7):2409-2418. doi: 10.13227/j.hjkx.2016.07.001.
Huan Jing Ke Xue. 2016.
PMID: 29964445
Chinese.