1. Measles and immunomodulation
Sheldon G. Cohen, MD 
Journal of Allergy and Clinical Immunology 
Volume 121, Issue 2, Pages (February 2008)
DOI: /j.jaci
Copyright © 2008 American Academy of Allergy, Asthma & Immunology Terms and Conditions

2. Fig 1
Rhazes (c ) depicted on commemorative postage stamp issued by Iran in 1964.
Journal of Allergy and Clinical Immunology  , DOI: ( /j.jaci )
Copyright © 2008 American Academy of Allergy, Asthma & Immunology Terms and Conditions

3. Fig 2 Clemens von Pirquet, MD (1874-1929).
Journal of Allergy and Clinical Immunology  , DOI: ( /j.jaci )
Copyright © 2008 American Academy of Allergy, Asthma & Immunology Terms and Conditions