Characteristics, Secondary Transformation, and Health Risk Assessment of Ambient Volatile Organic Compounds (VOCs) in Urban Beijing, China - Liu, Yafei; Kong, Liuwei; Xingang Liu; Zhang, Yuepeng; Li, Chenlu; Zhang, Yingying; Chen Zhang; Qu, Yu; An, Junling; Ma, Depeng; Qinwen Tan; Feng, Miao; et al. (ATMOSPHERIC POLLUTION RESEARCH, 2021)