Zhou, Z, Dionisio, K L, Verissimo, T G, Kerr, A S, Coull, B, Howie, S, Arku, R E, Koutrakis, P, Spengler, J D, Fornace, K M, Hughes, A F, Vallarino, J, Agyei-Mensah, S, Ezzati, M, "Chemical Characterization and Source Apportionment of Household Fine Particulate Matter in Rural, Peri-urban, and Urban West Africa", ENVIRONMENTAL SCIENCE & TECHNOLOGY,