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Surveys on the Prevalence of Pediatric Bronchial Asthma in Japan: A Comparison between the 1982, 1992, and 2002 Surveys Conducted in the Same Region Using the Same Methodology
allergic diseases bronchial asthma epidemiology prevalence of asthma wheezing
2009/3/11
BA prevalence in the third survey increased 2.1 and 1.4 times respectively compared to the first survey and second survey, indicating an upward trend in all regions and age groups surveyed.