%0 Journal Article %J Journal of Thoracic Disease %D 2020 %T Respiratory health effects of residential individual and cumulative risk factors in children living in two cities of the Pearl River Delta Region, China %A Lin, J. %A Lin, W. %A Yin, Z. %A Fu, X. %A Mai, D %A Fu, S %A J. Zhang %A Gong, J. %A Feng, N %A He, L. %B Journal of Thoracic Disease %G eng %U doi: 10.21037/jtd.2020.03.92