摘要篇首: The global prevalence of asthma ranges from 1% to 18% of the population in different countries.1 In China, while national data of asthma prevalence are still lacking, an epidemiological study in Beijing showed that the prevalence of asthma in occupational populations was 1.25%.2
更多相关知识
- 浏览85
- 被引1
- 下载0

相似文献
- 中文期刊
- 外文期刊
- 学位论文
- 会议论文