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The prevalence of childhood asthma in China: a systematic review
Yangzong Yangzong, Zumin Shi, Per Nafstad, Lise Lund Håheim, Ouzhu Luobu, Espen BjertnessVolume:
12
Language:
english
DOI:
10.1186/1471-2458-12-860
Date:
December, 2012
File:
PDF, 448 KB
english, 2012