Modlin John F, Grant P Ellen, Makar Robert S, Roberts Drucilla J, Krishnamoorthy Kalpathy S
Department of Pediatrics, Dartmouth-Hitchcock Medical Center and Dartmouth Medical School, Lebanon, NH, USA.
N Engl J Med. 2003 Aug 14;349(7):691-700. doi: 10.1056/NEJMcpc030017.