Background of asthma Prevalence in the world: 1.6 hundred million in China:1-3 in Shenyang: 1.24 %(1999) GINA: Global Initiative for Asthma(1994) WHO/HLBI Bronchial asthmatic diagnosis guideline (1997) Chinese medical academy
Course Syllabus Textbook – Kathryn L. Hatch, Textile Science, West Publishing Company, 1993. Reference book – Yao, M. et. al. Textile Materials (in Chinese)