NASA NTRS · 19780000531
Improved probe for rectal-cancer detection
Abstract
Modified protosigmoidoscope, with third partially mirrored lens, provides lateral as well as forward vision for thorough examination of patients for malignant or premalignant lesions of colon and rectum.
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Frazer, R. E.. 1979-03-01. Improved probe for rectal-cancer detection. https://ntrs.nasa.gov/citations/19780000531
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