TY - GEN AU - Fiorini,E AU - Fratton,A TI - [Duodenoscopy with frontal vision fibroscope. Our experience with 164 examinations] SN - 0026-4776 PY - 1973///1215 KW - Duodenal Diseases KW - diagnosis KW - Duodenal Ulcer KW - Endoscopes KW - Fiber Optic Technology KW - instrumentation KW - Humans KW - Methods N1 - Publication Type: Journal Article ER -