[POSTBULBAR LOCALIZATION OF DUODENAL ULCER].
D000293:Adolescent; D003937:Diagnosis, Differential; D004381:Duodenal Ulcer; D006801:Humans; D011707:Pyloric Stenosis; D011859:Radiography
ADOLESCENCE; DIAGNOSIS, DIFFERENTIAL; DUODENAL ULCER; PYLORIC STENOSIS; RADIOGRAPHY
SLEDBULBARNATA LOKALIZATSIIA NA DUODENALNATA IAZVA.