Köhler Henrik, McCormick Beth A, Walker W Allan
Mucosal Immunology Laboratory, Combined Program in Pediatric Gastroenterology and Nutrition, Massachusetts General Hospital and Harvard Medical School, 114 16th Street, Charlestown, MA 02129, USA.
J Pediatr Gastroenterol Nutr. 2003 Feb;36(2):175-85. doi: 10.1097/00005176-200302000-00005.