Nelson Harold S, Durham Stephen R
Department of Medicine, National Jewish Health and University of Colorado Denver School of Medicine, Denver, Colo.
Allergy and Clinical Immunology, Division of Respiratory Science, National Heart and Lung Institute, Imperial College London, London, United Kingdom.
J Allergy Clin Immunol Pract. 2017 Jan-Feb;5(1):52-57. doi: 10.1016/j.jaip.2016.10.012.