1. Asthma endotypes: A new approach to classification of disease entities within the asthma syndrome 
Jan Lötvall, MD, Cezmi A. Akdis, MD, Leonard B. Bacharier, MD, Leif Bjermer, MD, Thomas B. Casale, MD, Adnan Custovic, MD, Robert F. Lemanske, MD, Andrew J. Wardlaw, MD, Sally E. Wenzel, MD, Paul A. Greenberger, MD 
Journal of Allergy and Clinical Immunology 
Volume 127, Issue 2, Pages (February 2011)
DOI: /j.jaci
Copyright © 2011 American Academy of Allergy, Asthma & Immunology Terms and Conditions

2. Fig 1
Asthma is made up of different endotypes, each characterized by its pathophysiology.
Journal of Allergy and Clinical Immunology  , DOI: ( /j.jaci )
Copyright © 2011 American Academy of Allergy, Asthma & Immunology Terms and Conditions