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  • 1
    Electronic Resource
    Electronic Resource
    Etude ultrastructurale du nerf périphérique chez 16 diabétiques sans neuropathie clinique. Comparaisons avec 16 neuropathies diabétiques et 16 neuropathies non diabétiques (1974)
    Springer
    Acta neuropathologica 30 (1974), S. 63-72 
    Details
    ISSN: 1432-0533
    Keywords: Diabetic Neuropathy ; Peripheral Nerve ; Myelin ; Microangiopathy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The present communication described changes on nerve biopsies from 16 diabetics without neuropathy, except the fact that the ankle jerks were often decreased bilaterally, as it is often encountered in diabetes mellitus. 16 non-diabetic patients with various peripheral neuropathies were also studied; the glucose tolerance tests were always normal in this group and none had any vascular or collagen disease. The three series included patients between 45 to 75 years old. Obervations made on nerve biopsies from these three groups have been compared. The basement membranes of endoneurial capillaries were measured. These measurements have been made on the thinnest part of the basement membranes and pericyte processes were not included. At least 5 capillaries per 1 patient have been studied. Averaging with a computer has permitted demonstration of significant thickenings of basement membranes in diabetic patients without neuropathy; such an observation was not made in non-diabetic patients with various peripheral neuropathies, while the thickenings were the most important in patients with diabetic neuropathy. It must be said that individual variations were encountered in each group. Nerve parenchyma has been carefully studied. In diabetic patients without neuropathy, 14 cases displayed a typical but usually moderate proliferation of Schwann cells. Axon lesions were mild and unfrequent. The exact relationships between thickening of basement membranes of vasa nervorum and lesions of nerve parenchyma need some further informations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00685323
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Digital panoramic radiography: a clinical survey (1995)
    Springer
    European radiology 5 (1995), S. 391-394 
    Details
    ISSN: 1432-1084
    Keywords: Image processing, computer assisted ; Panoramic tomography ; Radiology, dental ; Radiology, digital
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The application of digital panoramic radiography with photostimulable phosphors to dental diagnosis was evaluated in 500 patients. Comparative intraoral films of selected groups of teeth and electronic magnifications of the same portion of the arches were obtained in 63 cases. Digital images improved the quality of dental examinations compared with film radiographs. The possibility of contrast modulation was helpful to compensate for the different radiographic densities of the arches and to improve the visibility of gingival soft tissues. In addition, digital radiography reduced the radiation dose administered to the patient. The use of digital panoramic radiography is proposed as a substitute for film studies in all hospitals where a central unit for digital radiology is available.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00184950
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Source and loss processes in the inner magnetosphere (1999)
    Springer
    Space science reviews 88 (1999), S. 137-206 
    Details
    ISSN: 1572-9672
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1005203817354
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    Paper (German National Licenses)
    Fulltext
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