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  • High-T c superconductors  (1)
  • Key words: Colonoscopy — Colorectal disease — Diagnostic accuracy  (1)
  • 1
    Electronic Resource
    Electronic Resource
    How useful is colonoscopy in locating colorectal lesions? (1998)
    Springer
    Surgical endoscopy and other interventional techniques 12 (1998), S. 839-841 
    Details
    ISSN: 1432-2218
    Keywords: Key words: Colonoscopy — Colorectal disease — Diagnostic accuracy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background: It is important to establish the precise location of a colorectal lesion preoperatively. We used a model based on colorectal cancer to assess the efficacy of colonoscopy in locating these lesions. Methods: We retrospectively analyzed all consecutive new colorectal cancer cases at the Department of Surgery, United Christian Hospital, Hong Kong, in 1995. Results: Of the 123 cases reviewed by us, 84 cases satisfied the analysis criteria. The overall accuracy was 81%. It was especially high in the rectosigmoid region (93%) and descending colon (100%). The overall predictive power was 83%. It was especially high in the right-sided colon (100%) and the rectosigmoid region (93%). Conclusions: We conclude that colonoscopy is an accurate means for locating lesions in the upper rectum and sigmoid colon. It is also very predictive of lesions in the upper rectum, sigmoid colon, and right-sided colon.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004649900725
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    T c enhancement in superconductor-semiconductor arrays (1991)
    Springer
    Journal of superconductivity 4 (1991), S. 461-467 
    Details
    ISSN: 1572-9605
    Keywords: High-T c superconductors ; size quantization ; superconductor-semiconductor arrays
    Source: Springer Online Journal Archives 1860-2000
    Topics: Electrical Engineering, Measurement and Control Technology , Physics
    Notes: Abstract Subsequent to our observation that the Tl- and Bi-based cuprate high-T c superconductors are built of superconductor-semiconductor arrays (P. C. W. Fung and W. Y. Kwok,J. Superconduct., this issue), we investigate in this paper the possibility ofT c enhancement arising from the effect of change of phonon spectrum and the effect of size quantization when one or more semiconductor blocks is attached to the basic superconductor in the unit cell.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00635865
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
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