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  • 1985-1989  (3)
  • 1940-1944
  • 1987  (3)
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Years
  • 1985-1989  (3)
  • 1940-1944
Year
  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Histopathology 11 (1987), S. 0 
    ISSN: 1365-2559
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Diffusion prior to tissue fixation may result in immunohistochemical localization of antigen at sites in which it does not occur in vivo. The extent and speed with which this may occur have been investigated with several antigens of different molecular weights in tissues which were left unfixed for various lengths of time. There was clear evidence of diffusion when fixation was delayed for as little as 1 h, resulting in focal labelling of cells which did not contain antigen in rapidly fixed tissues. Falsely localized antigen was particularly evident adjacent to sites containing high antigen concentrations and might be expected in areas permeated by antigen-containing tissue fluid. These findings substantiate the view that diffusion of antigen should be considered as a cause of false positivity in any immunolocalization study.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Social psychiatry and psychiatric epidemiology 22 (1987), S. 1-4 
    ISSN: 1433-9285
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Increasingly, decisions to withhold treatment for the terminally ill have received considerable attention in medical, ethical, legal and lay publications. Few studies, however, have examined in detail the beliefs of health professionals about euthanasia, and more importantly, the frequency with which euthanasia occurs. A questionnaire was administered to 190 health care professionals (three-fourths of whom were affiliated with long term health care facilities) to examine these two questions. With regard to passive euthanasia, 83% of the respondents had heard of such cases, 56% had participated, 37% had given the permission for it to occur, and 17% had withheld life support system. With respect to active euthanasia, results were as follows: hearsay, 44%; participation, 21%; permission, 37%; and direct action, 20%. This study supports the need for health care professionals to become more active in the development of broad professional and individual institutional ethical guidelines in the care of the terminally ill.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] X-ray data were collected on crystals isomorphous with the native for complexes of endothiapepsin with H-142, L-363,564 and H-256 to resolutions of 2.1, 2.2 and 2.0 A and refined by least-squares to agreement values of 0.19, 0.18 and 0.20 respectively. Figure 1 shows the inhibitors that He with ...
    Type of Medium: Electronic Resource
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