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  • 1
    Electronic Resource
    Electronic Resource
    Variability in susceptibility to simulated sunlight of conidia among isolates of entomopathogenic Hyphomycetes (1996)
    Springer
    Mycopathologia 135 (1996), S. 171-181 
    Details
    ISSN: 1573-0832
    Keywords: Beauveria bassiana ; Metarhizium anisopliae ; Metarhizium flavoviride ; Paecilomyces fumosoroseus ; sunlight effects ; UV-B tolerance
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract The influence of simulated sunlight on survival of conidia of 4 species of entomopathogenic Hyphomycetes was investigated. Conidia from 65 isolates ofBeauveria bassiana, 23 ofMetarhizium anisopliae, 14 ofMetarhizium flavoviride and 33 isolates ofPaecilomyces fumosoroseus were irradiated by artificial sunlight (295 to 1,100 nm at an ultraviolet-B irradiance of 0.3 W m−2) for 0, 1, 2, 4 and 8 h. Survival was estimated by comparing the number of colony forming units (CFU) produced by conidia exposed to irradiation to the number of CFUs produced by an unexposed control. Survival decreased with increased exposure to simulated sunlight; exposure for 2 h or more was detrimental to all isolates tested. Overall, isolates ofM. flavoviride were the most resistant to irradiation followed byB. bassiana andM. anisopliae. Conidia ofP. fumosoroseus were most susceptible. In addition to the large interspecies differences in susceptibility to irradiation, there was also an intraspecies variation indicating that strain selection to irradiation tolerance may be important in the development of microbial control agents where increased persistence in an insolated environment is desirable.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00632339
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Percutaneous balloon dilatation for benign hepaticojejunostomy strictures (2000)
    Springer
    Abdominal imaging 25 (2000), S. 134-138 
    Details
    ISSN: 1432-0509
    Keywords: Key words: Biliary tract—Strictures—Surgical anastomosis—PTC procedures—Balloon dilatation—Interventional—Ultrasound guided.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background: Percutaneous balloon dilatation of biliary tract strictures is generally accepted as a safe and inexpensive procedure. The effectiveness in selected groups of patients remains under discussion. The purpose of this study was to evaluate the results of percutaneous balloon dilatation in patients with a benign stricture of a hepaticojejunostomy. Methods: Fifteen patients with a benign stricture of a hepaticojejunostomy were examined between 1993 and July 1997. An ultrasound-guided percutaneous transhepatic cholangiography (PTC) procedure was performed, followed by a balloon dilatation. Follow-up was performed prospectively by outpatient visits and laboratory testing. Results: Percutaneous dilatation was successful in 14 patients. Three patients developed a recurrence. In one of these patients, the procedure was repeated successfully. Gastrointestinal bleeding occurred in one patient. The success rate for balloon dilatation in this group of patients was 73% after a mean follow-up of 30 months. When the procedure was repeated, the success rate was 80% after a mean follow-up of 33 months. Conclusions: Percutaneous balloon dilatation for benign hepaticojejunostomy strictures is feasible in the majority of patients and produces acceptable medium-term to long-term results. Advantages are its minimal invasive character and the fact that all options remain open in case of failure.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002619910032
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Primary sclerosing cholangitis: sonographic findings (1995)
    Springer
    Abdominal imaging 20 (1995), S. 109-112 
    Details
    ISSN: 1432-0509
    Keywords: Primary sclerosing cholangitis ; Ultrasound ; Cholangiography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background: To determine the value of sonography of the upper abdomen in primary sclerosing cholangitis (PSC). Methods: In a prospective study of 23 patients with PSC we performed upper abdominal sonography. Sonographic findings of the bile ducts were correlated with endoscopic retrograde cholangiographic (ERC) findings. Signs of advanced disease and complications were also sought. Results: The major limitation of ultrasound was its inability to exclude intrahepatic duct disease. In six patients with multiple strictures and pruning but without dilatations on ERC, sonography showed no intrahepatic duct abnormalities. Extrahepatic duct disease was adequately demonstrated on ultrasound. Mural thickening of the common bile duct (CBD), the hallmark of PSC in the appropriate clinical setting, was demonstrated in 17 of 18 cases with a stenosis on ERC. Ultrasound confirmed advanced disease manifested by signs of portal hypertension in seven patients. Marked nonsegmental intrahepatic duct dilatation and the presence of a mass lesion occurred in two of three cases in which complicating cholangiocarcinoma was found. Conclusion: Despite its inability to exclude intrahepatic duct disease, sonography is useful in diagnosing and following PSC.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00201514
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Cat scratch disease as a rare cause of obstructive jaundice: a case report (1997)
    Springer
    Abdominal imaging 22 (1997), S. 418 -420 
    Details
    ISSN: 1432-0509
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002619900223
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    Paper (German National Licenses)
    Fulltext
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