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TrialConditionsStatusPhaseUpdatedMore infoNCT ID
A Prospective Cohort Study on Endoscopic Features of Upper Gastrointestinal Tract at High Altitude (Zaduo County)Digestive System Diseases, Hypoxia, Pathological Conditions, Signs and Symptoms, Respiration Disorders, Signs and Symptoms, Signs and Symptoms, Respiratory, altitude sickness, chronic atrophic gastritis, digestive system disorder, duodenal disorder, esophageal disorder, esophagitis, gastritis, gastroenteritis, intestinal disorder, peptic esophagitis, peptic ulcer disease, respiratory system disorder, stomach disorderRecruitingNot stated2026-08-10NCT07755384