Influencing factors of bronchial asthma in children aged 6-14 in Zhengzhou City
ZHAO Wen-jing, LUO Wen-xin, LUAN Nan-nan
South China Journal of Preventive Medicine . 2020, (5): 473 -476 .  DOI: 10.12183/j.scjpm.2020.0473

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