TY - BOOK AU - Gershman,George AU - Thomson,Mike TI - Practical pediatric gastrointestinal endoscopy SN - 9781444336498 (hardcover) PY - 2012/// CY - Chichester, West Sussex PB - Wiley-Blackwell KW - Endoscopy, Gastrointestinal KW - Pediatrics KW - methods KW - Child KW - Infant ER -