1. Riojas-Rodríguez, H., Romieu, I., and Hernández-Ávila, M. (2017). Occupational and Environmental Health, Oxford University Press.
2. WHO (2003). Health Aspects of Air Pollution with Particulate Matter, Ozone and Nitrogen Dioxide. Tech. Rep. WHO, 7–9.
3. The impact of PM 2.5 on the human respiratory system;Xing;J. Thorac.,2016
4. Human health effects of air pollution;Kampa;Environ. Pollut.,2008
5. WHO (2016). Ambient air pollution: A global assessment of exposure and burden of disease, WHO Library Cataloguing-in-Publication Data.