[Experience in the use of the EGDB-BO-4 esophagogastroduodenoscope].
D020698:Duodenoscopes; D019723:Endoscopes; D020701:Esophagoscopes; D005336:Fiber Optic Technology / Q000295:instrumentation; D020699:Gastroscopes; D006801:Humans
Opyt ispol'zovaniia ésofagogastroduodenoskopa EGDB-BO-4.