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  • 1
    Electronic Resource
    Electronic Resource
    Postoperative follow-up of juvenile nasopharyngeal angiofibromas: assessment by CT scan and MR imaging (1998)
    Springer
    European radiology 8 (1998), S. 756-764 
    Details
    ISSN: 1432-1084
    Keywords: Key words: Nasopharynx ; neoplasma ; Angiofibroma ; Angiofibroma ; postoperative ; CT ; MR imaging
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. The purpose of this study was to assess the radiological findings after surgical removal of juvenile nasopharyngeal angiofibromas (JNA). The postoperative CT and MRI scans of ten patients were reviewed. The cured group included six patients. The non-controlled group included six patients with eight recurrences. Two patients belonged to both groups as they were also followed and cured after surgery for relapse. Four recurrences were asymptomatic and diagnosed by imaging. The imaging patterns were matched to the patients clinical status and endoscopic findings. In the cured group, non-enhanced residual soft tissue masses were seen in all cases. In the non-controlled group, recurrence was always demonstrated on early postoperative CT or MR as a dramatically enhanced mass. The recurrence was located in the lateral or superior aspect of the nasopharynx (n = 3), deep to the fossa of Rosenmuller (n = 4) or out of the nasopharynx (n = 1). In two cases a remaining enhanced mass disappeared spontaneously on iterated examinations. Because of numerous asymptomatic relapses, a radiological workup is recommended four months after surgery, even in patients with normal endoscopy, to rule out posterolateral or extranasopharyngeal recurrences. Spontaneous evolution of residual masses must be appreciated on iterated imaging examinations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003300050468
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  • 2
    Electronic Resource
    Electronic Resource
    A cold atom clock in absence of gravity (1998)
    Springer
    The European physical journal 3 (1998), S. 201-204 
    Details
    ISSN: 1434-6079
    Keywords: PACS. 32.80.Pj Optical cooling of atoms; trapping[:AND:] 06.30.Ft Time and frequency
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract: We describe the operation of a cold atom clock in reduced gravity. We have recorded the cesium hyperfine resonance signal at a frequency near 9.2 GHz in the gravity environment produced by jet plane parabolic flights. With a resonance width of 7 Hz, the device operated in a regime which is not accessible on earth. In the much lower gravity level of a satellite, our cold cesium clock would outperform the fountains with a potential accuracy of . This experiment paves the way to unprecedented performance in space applications such as tests of general relativity, global time dissemination, astronomy and geodesy.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s100500050167
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Einfache lebensrettende Sofortmaßnahmen beim Erwachsenen (1998)
    Springer
    Notfall + Rettungsmedizin 1 (1998), S. 134-142 
    Details
    ISSN: 1436-0578
    Keywords: Schlüsselwörter Einfache lebensrettende Sofortmaßnahmen ; Erwachsene ; Aktionsplan ; Herz-Lungen-Wiederbelebung ; Key words Basic life support ; Adults ; Plan of action ; Heart Lung Resuscitation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: We present the plan of action on which the Guidelines of the European Resuscitation Council for ”Adult Basic Life Support” is based (algorithm: ”Basic Life-Support Measures for Adults). The plan of action is primarily intended for ”one-person reanimation” procedures in adults.
    Notes: Zusammenfassung Im folgenden wird der Aktionsplan dargestellt, der den Richtlinien des European Resuscitation Council für „Einfache lebensrettende Sofortmaßnahmen beim Erwachsenen” zugrunde liegt (Algorithmus 1: „Einfache lebensrettende Sofortmaßnahmen beim Erwachsenen”). Der Aktionsplan ist primär für die „Einmann-Reanimation” beim Erwachsenen gedacht. Im Text wird die männliche Form auch für die weibliche verwendet.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s100490050035
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    Paper (German National Licenses)
    Fulltext
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