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Updated Prevalences of Asthma, Allergy, and Airway Symptoms, and a Systematic Review of Trends over Time for Childhood Asthma in Shanghai, China
- Chen Huang,
- Wei Liu,
- Yu Hu,
- Zhijun Zou,
- Zhuohui Zhao,
- Li Shen,
- Louise B. Weschler,
- Jan Sundell
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- Published: April 13, 2015
- https://doi.org/10.1371/journal.pone.0121577