Coal burning-derived SO(2) and traffic-derived NO(2) are associated with persistent cough and current wheezing symptoms among schoolchildren in Ulaanbaatar, Mongolia

Enkh-Undraa D, Kanda S, Shima M, Shimono T, Miyake M, Yoda Y, Nagnii S, Nishiyama T. Coal burning-derived SO(2) and traffic-derived NO(2) are associated with persistent cough and current wheezing symptoms among schoolchildren in Ulaanbaatar, Mongolia. Environ Health Prev Med. 2019; 24(1): 66.