The revision of this definitive reference work is dedicated to the maintenance of a comprehensive approach to the practice of Pediatric Gastroenterology. The text of the third edition was extensively reviewed to assess the continuing relevance and, as a result, the size and content of various sections have been modified and new chapters have been added. Each author, selected because of particular expertise in the field, has provided an authoritative and comprehensive account of his/her topic. --This text refers to the Hardcover edition. Dedicates to the maintenance of a comprehensive approach to the practice of paediatric gastroenterology. Considered to be the definitive reference work, this edition has been extensively reviewed.