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  • 1
    Electronic Resource
    Electronic Resource
    High frequency ultrasonic transducers with near optimal efficiency (1998)
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 69 (1998), S. 4160-4165 
    Details
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: We present a technique for indium bonding lithium niobate single crystal (LiNbO3) on a substrate using a vacuum evaporation. This bonding is realized at room temperature and under atmospheric pressure. We also present a technique of characterization based on the measurement of the electric impedance of these transducers and we show that with this bonding we obtain good piezoelectric transducers, with an electromechanical coupling coefficient of about 98% of theoretical value. © 1998 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1149264
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  • 2
    Electronic Resource
    Electronic Resource
    Shock complicating severe falciparum malaria in European adults (1997)
    Springer
    Intensive care medicine 23 (1997), S. 698-701 
    Details
    ISSN: 1432-1238
    Keywords: Key wordsPlasmodium falciparum ; Malaria ; Cerebral malaria ; Shock ; Bacteremia ; Pneumonia
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Objective: To study adult patients with severe falciparum malaria who developed shock. Design: Retrospective study from 1987 to 1993. Setting: Medical intensive care unit in a university hospital. Patients: 14 patients admitted with severe falciparum malaria who developed shock. All received intravenous quinine. Measurements and results: The mean Simplified Acute Physiology Score II was 59.5 ± 7.1; 2.6 ± 0.4 criteria defining severe disease were present on admission in 12 patients; and initial parasitemia was 21 ± 6 %. Twelve patients received inotropic drugs. Pulmonary artery catheterization showed the following results in 7 patients: mean arterial pressure 57 ± 4 mmHg; pulmonary artery occlusion pressure 11 ± 1 mmHg; cardiac index 5.5 ± 0.9 l · min−1· m−2; and systemic vascular resistance index 783 ± 122 dyne · s · cm−5· m−2. Seven patients had evidence of bacterial infection at the time of shock. Of the 7 deaths (50 %), 5 were due to shock, with documented bacterial infection in all patients and persistent parasitemia in 4. Conclusions: Shock complicating severe falciparum malaria in adults is associated with peripheral vasodilation and carries a poor prognosis. In falciparum malaria with shock, bacterial coinfection should be suspected immediately and treated empirically with broad-spectrum antibiotics. Nevertheless, Plasmodium falciparum may contribute directly or indirectly to the onset of shock.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s001340050396
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  • 3
    Electronic Resource
    Electronic Resource
    Spondylodiscitis and epidural abscess due to Candida albicans (2000)
    Springer
    European spine journal 9 (2000), S. 72-74 
    Details
    ISSN: 1432-0932
    Keywords: Key words Spondylodiscitis ; Epidural abscess ; Candida albicans
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract A 32-year-old woman, ¶addicted to heroin, presented with ¶a dorsal spondylodiscitis due to ¶Candida albicans associated with epidural abscess. Antimycotic treatment was successful, and no neurosurgical decompression was necessary. To our knowledge, this is the first case of documented epidural ¶involvement in candidal spondylodiscitis. The diagnosis of candidal spondylodiscitis should be considered in cases of para- or tetraplegia occurring in intravenous drug abusers.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s005860050013
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    Paper (German National Licenses)
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