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\bibitem{Buczynska_etal2014} {\textquotedblleft}\textit{Composition of PM2.5 and PM1 on high and low pollution event days and its relation to indoor air quality in a home for the elderly}{\textquotedblright}. Buczy{\'n}ska AJ, Krata A, Van Grieken R, Brown A, Polezer G, De Wael K, Potgieter-Vermaak S, The science of the total environment \textbf{490}, 134 (2014).   http://doi.org/10.1016/J.SCITOTENV.2014.04.102

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