Indications for pediatric gastrointestinal endoscopy: a medical position statement of the North American Society for Pediatric Gastroenterology and Nutrition.
Squires
R H
RH
Children's Medical Center, University of Texas Southwestern Medical Center at Dallas, USA.
Colletti
R B
RB
D016099:Endoscopy, Gastrointestinal; D005762:Gastroenterology; D009656:North America; D009747:Nutritional Physiological Phenomena; D010372:Pediatrics; D012955:Societies, Medical