Study Status: Completed
Recruit Status: Completed
Study Type: Observational
Official Title: A Survey of the Indications for Esophagogastroduodenoscopy (EGD) in Children's Hospital of Fudan University
Brief Summary: Esophagogastroduodenoscopy (EGD) become more and more common in diagnosing gastroenterology diseases. The investigators want to find which symptoms can support for positive endoscopic findings.