[Duodenogastral reflux: moot points and unanswered questions].
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D000293:Adolescent; D000328:Adult; D004381:Duodenal Ulcer / Q000175:diagnosis / Q000453:epidemiology / Q000209:etiology; D016099:Endoscopy, Gastrointestinal; D005260:Female; D005764:Gastroesophageal Reflux / Q000150:complications / Q000175:diagnosis / Q000453:epidemiology; D006801:Humans; D015994:Incidence; D008297:Male; D008875:Middle Aged; D012189:Retrospective Studies; D012307:Risk Factors; D012426:Russia / Q000453:epidemiology; D012737:Sex Factors