TY - GEN AU - Schmid,E AU - Blaich,E AU - Schwarzkopf,H AU - Kovarik,P TI - [Diagnostic accuracy of fiber endoscopy in esophageal and gastric carcinoma. Attempt at error analysis] SN - 0044-2771 PY - 1978///0715 KW - Aged KW - Diagnostic Errors KW - Endoscopes KW - Esophageal Neoplasms KW - diagnosis KW - Esophagoscopy KW - Female KW - Fiber Optic Technology KW - Humans KW - Male KW - Middle Aged KW - Precancerous Conditions KW - Retrospective Studies KW - Stomach Neoplasms KW - Time Factors N1 - Publication Type: English Abstract; Journal Article ER -