Cohen Sheldon G, Zelaya-Quesada Myrna
National Institute of Allergy and Infectious Diseases and History of Medicine Division, National Library of Medicine at the National Institutes of Health, Bethesda, Md., USA.
J Allergy Clin Immunol. 2004 Sep;114(3):705-10. doi: 10.1016/j.jaci.2004.06.039.