Chemical composition and source apportionment of ambient, household, and personal exposures to PM2.5 in communities using biomass stoves in rural China - Lai, AM; Carter, E; Shan, M; Ni, K; Clark, S; Ezzati, M; Wiedinmyer, C; Yang, X; Baumgartner, J; Schauer, JJ (SCIENCE OF THE TOTAL ENVIRONMENT, 2019)