[Fibroendoscopy of benign tumors of the upper digestive tract].
D004067:Digestive System Neoplasms / Q000175:diagnosis*; D020701:Esophagoscopes; D005336:Fiber Optic Technology; D020699:Gastroscopes; D006801:Humans
La fibroendoscopia en las tumoraciones benignas del tracto digestivo alto.