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  • 1
    Electronic Resource
    Electronic Resource
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 51 (1987), S. 1465-1467 
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: A commercial diode laser emitting at ∼761 nm has been used to detect the absorption of individual rotational lines of the A band of atmospheric oxygen. An output signal that is proportional to the O2 partial pressure is extracted using derivative spectroscopy. The method allows measurement of O2 pressure with an uncertainty of ±1.3% of full scale (760 Torr) using a 1-ms time constant.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Langenbeck's archives of surgery 372 (1987), S. 859-859 
    ISSN: 1435-2451
    Keywords: Soft-tissue sarcoma ; Resection margins ; Weichteilsarkome ; Sicherheitsabstand
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Wir untersuchten retrospektiv die Bedeutung der Operationsradikalität anhand der Verläufe von 123 wegen Weichteilsarkom operierten Patienten (1976–1984). 43mal lagen Primärtumoren vor, 71mal Rezidive. In der Gruppe der mit „marginalem” Abstand Resezierten lag die Rezidivrate bei 77% (n = 83), bei den „weit” Excidierten bei 15% (n = 17). Diese Differenz wurde durch adjuvante Strahlentherapie nicht verändert. Die 5-Jahresüberlebensrate lag bei 60% für die marginal Operierten, bei 75% für die weit Excidierten. Wir resümieren, dass eingeschränkte Sicherheitsabstände ausserhalb kontrollierter Studien obsolet sein sollten.
    Notes: Summary We analyzed the course of 123 patients retrospectively, who were operated on for soft-tissue sarcoma at our hospital from. 1976 to 1984. There were 43 primary tumors and 71 recurrences. In the group of “marginal excision,” we found a local recurrence rate of 77% (n = 83), whereas in the “wide excision” group, this figure was only 15% (n = 17). The difference was not influenced by additional radiotherapy. The 5-year survival was 60% in the marginal group and 75% in the wide-excision group. We conclude that “conservative” resection margins should not be recommended for softtissue sarcoma, apart from controlled studies.
    Type of Medium: Electronic Resource
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