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  • 1
    Electronic Resource
    Electronic Resource
    Range parameters of boron implanted into silicon (1981)
    Springer
    Applied physics 24 (1981), S. 39-43 
    Details
    ISSN: 1432-0630
    Keywords: 34,61 ; 80 ; 85.30
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract The range parameters of boron in silicon have been measured using the10B(n,α)7 Li-nuclear reaction. The results indicate that the distributions can be perfectly modeled using Pearson IV distributions with 4 moments. The range is very well described by theoretical calculations, whereas the higher moments show a strong deviation from theory.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00900395
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Smoking habits and their relationship to precancerous lesions of the larynx (1980)
    Springer
    Journal of cancer research and clinical oncology 96 (1980), S. 211-217 
    Details
    ISSN: 1432-1335
    Keywords: Laryngeal carcinoma ; Precancerous lesions ; Carcinoma in situ ; Cigarette smoking
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Histologic findings in vocal cord specimens of 148 male autopsy cases (ages 15–91) were compared to a retrospective anamnesis of smoking habits. The relative frequency of normal squamous epithelium is 83.3% in non-smokers, gradually decreasing from 56.3% in light to 45.8% in moderate, and finally 30.6% in heavy smokers. Ex-smokers were found to return to approximately the level of light smokers (54.2%). Precancerous lesions (dysplasia and carcinoma in situ) and carcinoma were found at lowest rates in non-smokers (4.2%) rising accordingly from 12.5% in light to 22.9% in moderate, and to 47.2% in heavy smokers, and returning to the level of light smokers (12.5%) in ex-smokers. Rates of relative frequency were rather similar, if less drastic, for hyperplastic and parakeratotic or keratinizing epithelial changes. The evaluation of lifetime tobacco consumption correlated to histologic findings in individual cases revealed an analogous pattern. Results suggest a very clear relationship between changes of vocal cord epithelia, and the quantities of tobacco consumed over a lifetime. They provide additional arguments in favor of the term “dysplasia” which, currently used to define precancerous lesions in various organs, may be suitably adopted for the morphological classification of precancerous changes of vocal cord epithelium.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00405505
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    Paper (German National Licenses)
    Fulltext
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