Chang Yoon-Seok
Department of Internal Medicine, Seoul National University College of Medicine, and Institute of Allergy and Clinical Immunology, Seoul National University Medical Research Center, Seoul 110-799, Korea.
Asia Pac Allergy. 2012 Apr;2(2):91-2. doi: 10.5415/apallergy.2012.2.2.91. Epub 2012 Apr 30.