Goudarzi, G., Geravandi, S., Mohammadi, M. J., Salmanzadeh, S., Vosoughi, M. and Sahebalzamani, M. (2015) “The relationship between air pollution exposure and chronic obstructive pulmonary disease in Ahvaz, Iran”, Chronic Diseases Journal, 3(1), pp. 14–20. doi: 10.22122/cdj.v3i1.119.