[Seasonal characteristics of the course of duodenal peptic ulcer based on endoscopic study data]

MeSH terms

• Adult
• Diagnosis, Computer-Assisted
• Duodenal Ulcer / diagnosis*
• Duodenal Ulcer / epidemiology
• Duodenoscopy*
• Esophageal Diseases / diagnosis
• Esophageal Diseases / epidemiology
• Female
• Humans
• Male
• Middle Aged
• Seasons*
• Sex Factors
• Ulcer / diagnosis
• Ulcer / epidemiology