Natural variability in exposure to fine particles and their trace elements during typical workdays in an urban area - Moreira, Camila A. B; Squizzato, Rafaela; Beal, Alexandra; Almeida, Daniela Sanches de; Rudke, Anderson P; Ribeiro, Marcos; Andrade, Maria de Fátima; Kumar, Prashant; Martins, Leila Droprinchinski (Transportation Research Part D: Transport on Environment, 2018)