Nestle Frank O, Kaplan Daniel H, Barker Jonathan
St. John's Institute of Dermatology, Federation of Clinical Immunology Societies Centre of Excellence at King's College London and Guy's and St. Thomas' Foundation Trust, London, United Kingdom.
N Engl J Med. 2009 Jul 30;361(5):496-509. doi: 10.1056/NEJMra0804595.