1. Asthma therapy in the new millennium;Pahl;Inflamm Res,2002
2. Global Strategy for Asthma Management and Prevention;Global Initiative for Asthma,1995
3. Global Strategy for Asthma Management and Prevention;Global Initiative for Asthma,2002
4. National Asthma Education and Prevention Program,1997
5. Pocket Guide for Asthma Management and Prevention;Global Initiative for Asthma,1998