TY - BOOK AU - Gershman,George AU - Thomson,Mike TI - Practical pediatric gastrointestinal endoscopy SN - 9781119423454 PY - 2021/// CY - Hoboken PB - Wiley-Blackwell KW - Endoscopy, Gastrointestinal. KW - Pediatrics KW - Methods. KW - Child. KW - Infant. N1 - Includes bibliographical references and index ER -