TY - JOUR T1 - A review of low-level air pollution and adverse effects on human health: implications for epidemiological studies and public policy JO - Clinics A1 - Olmo, Neide Regina Simoes A1 - Saldiva, Paulo Hilário do Nascimento A1 - Braga, Alfésio Luís Ferreira A1 - Lin, Chin An A1 - Santos, Ubiratan de Paula A1 - Pereira, Luiz Alberto Amador SN - 1807-5932 UL - 10.1590/S1807-59322011000400025 VL - 66 Y1 - 2011 PB - Brasil ER -