VERNON M. SMITH, M.D., F.A.C.P.
Diagnostic capabilities regarding diseases of the esophagus, stomach and small intestine have greatly broadened since the development of the technics of radiology, gastroscopy, esophagoscopy and, more recently, blind biopsy. Despite these refinements, however, certain information concerning lesions of these organs continues to elude the clinician.
Tumor, ulcer, and deformity located distal to the gastric pylorus are inaccessible to the gastroscopist and must be identified by radiologic methods. Diagnosis of certain superficial disturbances, such as esophagitis and gastritis, may be verified only by endoscopic and blind biopsy technics. Erosive and certain ulcerative lesions which lie distal to the gastric pylorus cannot
SMITH VM. STRING IMPREGNATION TEST ("STRING TEST") FOR LESIONS OF THE UPPER DIGESTIVE TRACT*. Ann Intern Med. 1961;54:16–29. doi: https://doi.org/10.7326/0003-4819-54-1-16
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Published: Ann Intern Med. 1961;54(1):16-29.
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