Effect of PM2.5 concentration on outpatient visits of children with respiratory diseases in a hospital of Panyu District, Guangzhou, 2015 - 2017
WANG Xiao-jie, PENG Yan-yun, DENG Wei-jun, WANG Wei-ping, WANG Xing-li
South China Journal of Preventive Medicine . 2019, (2): 124 -127 .  DOI: 10.13217/j.scjpm.2019.0124

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