Fiorini, E [Duodenoscopy with frontal vision fibroscope. Our experience with 164 examinations]. [electronic resource] - Minerva gastroenterologica - 1-4 p. digital Publication Type: Journal Article ISSN: 0026-4776 Subjects--Topical Terms: Duodenal Diseases--diagnosisDuodenal Ulcer--diagnosisEndoscopesFiber Optic Technology--instrumentationHumansMethods