Walker W Allan, Sherman Philip, Shneider Benjamin L, Cohen Mitchell, Barnard John
Harvard Medical School, Mucosal Immunology Laboratory, Massachusetts General Hospital for Children, Boston, Massachusetts 02129-4404, USA.
Gastroenterology. 2010 Feb;138(2):411-6, 416.e1-2. doi: 10.1053/j.gastro.2009.12.034. Epub 2009 Dec 16.