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  • 11
    Electronic Resource
    Electronic Resource
    Percutaneous reposition of dislodged coils in the treatment of a vertebral arteriovenous fistula — with CT follow-up (1991)
    Springer
    Neuroradiology 33 (1991), S. 195-199 
    Details
    ISSN: 1432-1920
    Keywords: Vertebral arteriovenous fistula ; Embolization ; Endovascular occlusion ; Detachable balloon ; CT
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary We report a case of vertebral arteriovenous fistula, in which embolization was complicated by migration of two coils and a partially inflated balloon. In order to relieve compression to the spinal cord, the displaced balloon was punctured percutaneously. For both relieving compression to the spinal cord and obliterating the residual fistula, the dislodged coils in the partially thrombosed epidural venous sinus were removed percutaneously and placed in the fistula, and more coils were implanted in the fistula percutaneously through the needle. CT follow-up half a year later showed complete resolution of compression of the spinal cord and complete recovery from myelopathy was clinically apparent.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00588216
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  • 12
    Electronic Resource
    Electronic Resource
    Continuous hidden Markov models integrating transitional and instantaneous features for Mandarin syllable recognition
    Amsterdam : Elsevier
    Computer Speech & Language 7 (1993), S. 247-263 
    Details
    ISSN: 0885-2308
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Linguistics and Literary Studies , Computer Science
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1006/csla.1993.1013
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  • 13
    Electronic Resource
    Electronic Resource
    Special speech recognition approaches for the highly confusing Mandarin syllables based on hidden Markov models
    Amsterdam : Elsevier
    Computer Speech & Language 5 (1991), S. 181-201 
    Details
    ISSN: 0885-2308
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Linguistics and Literary Studies , Computer Science
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1016/0885-2308(91)90024-K
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    Paper (German National Licenses)
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  • 14
    Electronic Resource
    Electronic Resource
    Markov modeling of Mandarin Chinese for decoding the phonetic sequence into Chinese characters
    Amsterdam : Elsevier
    Computer Speech & Language 5 (1991), S. 363-377 
    Details
    ISSN: 0885-2308
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Linguistics and Literary Studies , Computer Science
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1016/0885-2308(91)90004-A
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    Paper (German National Licenses)
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  • 15
    Electronic Resource
    Electronic Resource
    Aflatoxin in Arizona cottonseed: Increase in toxin formation during field drying of bolls (1989)
    Springer
    Archives of environmental contamination and toxicology 18 (1989), S. 416-420 
    Details
    ISSN: 1432-0703
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Medicine
    Notes: Abstract Aflatoxin assays and moisture determinations were made on locks from bolls inoculated withAspergillus flavus 30–32 days from flower and harvested after additional periods of 5, 7, 9, 11, 13 and 15 days. Inoculated locks were always tight but had moisture contents comparable to those in non-inoculated locks on the same bolls. Lowest toxin concentrations were in seeds from bolls still green at harvest with moisture contents 〉50%; highest concentrations were in bolls with fully fluffed locks and moisture contents 〈10%. The greatest increase in toxin concentrations occurred in bolls following suture opening, at the initiation of boll dry-down. Toxin concentrations were comparable for bolls that fluffed in 11 days from inoculation and those requiring 15 days for fluffing. A boll fluffing 11 days from inoculation had the highest level of toxin detected, ca 400 μg/g. The ripening and drying processes rather than the duration of fungal/plant interactionper se seems critical for maximum toxin formation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01062367
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  • 16
    Electronic Resource
    Electronic Resource
    Role of lactone ring of aflatoxin B1 in toxicity and mutagenicity (1981)
    Springer
    Cellular and molecular life sciences 37 (1981), S. 16-17 
    Details
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Cleavage of the lactone ring of aflatoxin B1 results in a nonfluorescent compound that has greatly reduced biological activity. Mutagenicity, as measured by the Ames test, is reduced 450-fold compared to that of B1, and toxicity, as measured by the chick embryo test, is reduced 18-fold.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01965543
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  • 17
    Electronic Resource
    Electronic Resource
    Anterior metal plate fixation in the treatment of unstable lower cervical spine injuries (1989)
    Springer
    Acta neurochirurgica 98 (1989), S. 55-59 
    Details
    ISSN: 0942-0940
    Keywords: Cervical spine ; interbody fusion ; plate stabilization ; spinal injury
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The authors present their experience with the use of anterior metal plate fixation in thirty-seven patients with an unstable lower cervical spine injury. The application of a metal plate was simple and achieved immediate stabilization. This alternative method of internal fixation of the cervical spine allowed early mobilization and avoidance of complications from long-term skeletal traction. It short-ened the hospital stay. The purpose of this paper is to describe the principles of this technique and to discuss its indications and applications.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01407177
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  • 18
    Electronic Resource
    Electronic Resource
    Analysis of SSRs derived from grape ESTs (2000)
    Springer
    Theoretical and applied genetics 100 (2000), S. 723-726 
    Details
    ISSN: 1432-2242
    Keywords: Key words ESTs ; Microsatellites ; Vitis vinifera
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract  One hundred and twenty four microsatellites were isolated from analysis of 5000 Vitis expressed sequence tags (ESTs). A diversity of dinucleotide and trinucleotide simple sequence repeat (SSR) motifs were present. Primers were designed for 16 of these SSRs and they were tested on seven accessions. Ten of the sixteen primer pairs resulted in PCR products of the expected size. All ten functional primers were polymorphic across the accessions studied. Polymorphisms were evident at the level of cultivars, Vitis species, and between related genera. SSRs that were from the 3′ untranslated region (3′UTR) were most polymorphic at the cultivar level, the 5′ untranslated region (5′ UTR) SSRs were most polymorphic between cultivars and species, and those SSRs within coding sequence were most polymorphic between species and genera. These results show that EST-derived SSRs in Vitis are useful as they are polymorphic and highly transferable. With EST SSRs being applicable to studies at several taxonomic levels, the large number of SSRs (approximately 1000) that will be available from an expanded EST database of 45 000 will have many potential applications in mapping and identity research.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s001220051344
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  • 19
    Electronic Resource
    Electronic Resource
    Influence of trace elements and nitrogen sources on versicolorin production by a mutant strain of Aspergillus parasiticus (1979)
    Springer
    Mycopathologia 69 (1979), S. 161-166 
    Details
    ISSN: 1573-0832
    Keywords: Aspergillus parasiticus ; Furobenzofuran ; Versicolorin A ; Versicolorin C
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract A mutant strain of Aspergillus parasiticus blocked in aflatoxin biosynthesis accumulates versicolorin A and versicolorin C. The effect of trace elements on the growth and versicolorin production by this strain was studied in a defined medium. The omission of manganese was slightly stimulatory to versicolorin production; when zinc was omitted from the medium, no detectable versicolorins were produced. Experiments on nitrogen sources in a highsucrose medium indicated that fourfold to fivefold increases in versicolorin yields could be obtained by substituting 3 ml/l corn steep liquor or 0.1 M NH4NO3 for the 0.023 M (NH4)2SO3 used previously as the nitrogen source in studies on versicolorin production by this strain. These improved yields will facilitate attempts to accumulate enough versicolorin A and versicolorin C for toxicity and carcinogenicity testing. Chromatographic profiles of mycelial extracts of cultures grown in a defined medium with 0.1 M NH4NO3 as the nitrogen source revealed 2 previously unrecognized compounds. The accumulation of these new metabolites in a mutant blocked in aflatoxin production may indicate that they are biosynthetically related to aflatoxin.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00452829
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  • 20
    Electronic Resource
    Electronic Resource
    Metabolic precursor regulation of aflatoxin formation in toxigenic and non-toxigenic strains ofAspergillus flavus (1989)
    Springer
    Mycopathologia 107 (1989), S. 127-130 
    Details
    ISSN: 1573-0832
    Keywords: aflatoxin ; Aspergillus flavus ; non-toxigenic O-methylsterigmetocystin ; sterigmetocystin ; nontoxigenic
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract Non-aflatoxin-producing isolates ofAspergillus flavus from nature and isolates ofA. flavus that had lost their toxigenic trait following laboratory transfer were compared biochemically. After the addition of aflatoxin B1 precursors sterigmatocystin or O-methylsterigmatocystin to whole cell cultures, the non-toxin producing isolates from nature remained non-toxigenic while toxigenicity was restored in the nontoxigenic laboratory strains. Results imply a lack of enzymes needed for biochemical conversions of precursors to aflatoxin B1 in natural non-producers and suppression of these enzymes in the nonproducing laboratory strains.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00707549
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