1. Expert Panel Report 2: Guidelines for the Diagnosis and Management of Asthma;National Asthma Education and Prevention Program,1997
2. Expert Panel Report: Guidelines for the Diagnosis and Management of Asthma: Update on Selected Topics 2002;National Asthma Education and Prevention Program,2003
3. Guidelines for assessing and managing asthma risk at work, school, and recreation;American Thoracic Society;Am J Respir Crit Care Med,2004
4. Evidence based guidelines for the prevention, identification, and management of occupational asthma;Nicholson;Occup Environ Med,2005
5. Prognosis of occupational asthma;Montanaro;Ann Allergy Asthma Immunol,1999