TY - GEN AU - Ishida,M AU - Hasegawa,S TI - [Examination by the esophagoscope--pertinent use of the rigid esophagoscope and flexible esophagoscope] SN - 0030-6622 PY - 1970///1228 KW - Diverticulum, Esophageal KW - diagnosis KW - Esophageal Neoplasms KW - Esophageal Stenosis KW - Esophagoscopes KW - Fiber Optic Technology KW - Humans N1 - Publication Type: Journal Article ER -