Occupational asthma: Current concepts in pathogenesis, diagnosis, and management  Mark S. Dykewicz, MD  Journal of Allergy and Clinical Immunology  Volume 123, Issue 3, Pages 519-528 (March 2009) DOI: 10.1016/j.jaci.2009.01.061 Copyright © 2009 American Academy of Allergy, Asthma & Immunology Terms and Conditions

Fig 1 Steps in assessment of workplace asthma. Increasing number of tests progressively leads to identification of cases of occupational asthma and transforms population approach into diagnostic process. Reprinted with permission from Malo JL, Gautrin D. From asthma in the workplace to occupational asthma. Lancet 2007;370:295-7.45 Journal of Allergy and Clinical Immunology 2009 123, 519-528DOI: (10.1016/j.jaci.2009.01.061) Copyright © 2009 American Academy of Allergy, Asthma & Immunology Terms and Conditions

Fig 2 Summary flow chart of WRA. Adapted with modification from Tarlo SM, Balmes J, Balkissoon R, Beach J, Beckett W, Bernstein D, et al. Diagnosis and management of work-related asthma: American College of Chest Physicians consensus statement. Chest 2008;134(3 Suppl):1S-41S.2GE, Gastrointestinal. Journal of Allergy and Clinical Immunology 2009 123, 519-528DOI: (10.1016/j.jaci.2009.01.061) Copyright © 2009 American Academy of Allergy, Asthma & Immunology Terms and Conditions