Correlation of Endoscopic Findings and Symptoms in Patients Undergoing the First Upper Gastrointestinal Endoscopy

Conditions:   Symptoms and Signs;   Malignancy;   Ulcer Peptic Intervention:   Procedure: endoscopy Sponsor:   Shanghai Jiao Tong University School of Medicine Recruiting
Source: ClinicalTrials.gov - Category: Research Source Type: clinical trials