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  • 1
    Electronic Resource
    Electronic Resource
    Iron status in elite skiers (1991)
    Oxford, UK : Blackwell Publishing Ltd
    Scandinavian journal of medicine & science in sports 1 (1991), S. 0 
    Details
    ISSN: 1600-0838
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine , Sports Science
    Notes: The iron status of 54 male and 30 female elite skiers (biathlon, alpine and cross-country skiers) was studied during snow training and compared with that of relevant control groups. There was no significant difference between skiers and controls in mean Hb, serum ferritin, total iron-binding capacity, frequency of iron deficiency or anemia. Iron deficiency was found in 4 women (1 of whom was anemic) and 1 man, all in the cross-country group. The urinary iron concentration, investigated 1 day after hard cross-country training in 29 skiers, did not differ from that of a control group. In a separate study, 13 cross-country skiers were followed with repeated tests during a whole year. No change was seen in their iron status. Our results show that the iron status of both endurance and alpine skiers is comparable to that of a normal population and that there is no need for routine iron supplementation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1600-0838.1991.tb00292.x
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  • 2
    Electronic Resource
    Electronic Resource
    Critical behavior of a trifunctional, randomly branched polymer: percolation versus cascade theory (1991)
    s.l. : American Chemical Society
    Macromolecules 24 (1991), S. 2634-2636 
    Details
    ISSN: 1520-5835
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ma00009a076
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  • 3
    Electronic Resource
    Electronic Resource
    Tracing of Neuronal Connections in the Human Brain by Magnetic Resonance Imaging in vivo (1990)
    Oxford, UK : Blackwell Publishing Ltd
    European journal of neuroscience 2 (1990), S. 0 
    Details
    ISSN: 1460-9568
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Axon degeneration after disruption of fibre tracts in the mammalian nervous system is accompanied by myelin breakdown which leads to changes in its magnetic resonance properties. In two patients with pure motor strokes due to small ischaemic lesions restricted to the internal capsule, magnetic resonance imaging disclosed a narrow band of pathological signal increase descending band-like into the brain stem and ascending to the precentral gyrus, which corresponded to the well-known path of the pyramidal tract. The findings suggest that in man anterograde and possibly retrograde fibre degeneration can be traced in vivo by conventional magnetic resonance imaging techniques. Critical conditions are the presence of small, strategically located lesions, appropriate choice of imaging plane, and the interval between time of lesion and of imaging. This demonstration may open a new era for functional neuroanatomy of man.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1460-9568.1990.tb00388.x
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  • 4
    Electronic Resource
    Electronic Resource
    Increased mechanical fragility and intravascular lysis of erythrocytes in cats fed a propylene glycol-containing diet (1992)
    Springer
    Comparative clinical pathology 2 (1992), S. 157-161 
    Details
    ISSN: 1433-2981
    Keywords: Cats ; Heinz bodies ; Propylene glycol
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The mechanism responsible for the decreased red blood cell (RBC) lifespan associated with feeding propylene glycol (PG)-containing diets was investigated to understand better how Heinz body-contained RBC are destroyed. Three cats were fed a diet containing 12% PG for 14 days and three other cats served as control. The experimental group developed reticulocytosis and increased Heinz body numbers. Red blood cell membrane immunoglobulih G (IgG) concentration and phagocytosis of RBC by peritoneal macrophages were lower in the PG group compared to the control group suggesting that neither IgG nor non-IgG-mediated phagocytosis was responsible for the RBC destruction. Osmotic fragility, rate of RBC proteolysis and mild mechanical fragility test results were not statistically different from controls. However, when RBC from cats fed PG were exposed to severe mechanical stress, their fragility were increased 2.2–2.8 times. Additionally, haptoglobin concentrations were decreased in the PG group. These data suggest that intravascular lysis may be involved in the pathogenesis of PG-induced RBC destruction.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00426170
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  • 5
    Electronic Resource
    Electronic Resource
    Cortical and striatal neurone number in Huntington's disease (1994)
    Springer
    Acta neuropathologica 88 (1994), S. 320-333 
    Details
    ISSN: 1432-0533
    Keywords: Key words Huntington's disease ; Human cerebral cortex ; Striatum ; Neurone number ; Stereology
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The total cortical and striatal neurone and glial numbers were estimated in five cases of Huntington's disease (three males, two females) and five age- and sex-matched control cases. Serial 500-μm-thick gallocyanin-stained frontal sections through the left hemisphere were analysed using Cavalieri's principle for volume and the optical disector for cell density estimations. The average cortical neurone number of five controls (mean age 53±13 years, range 36 – 72 years) was 5.97×109±320×106, the average number of small striatal neurones was 82×106±15.8×106. The left striatum (caudatum, putamen, and accumbens) contained a mean of 273×106±53×106 glial cells (oligodendrocytes, astrocytes and unclassifiable glial profiles). The mean cortical neurone number in Huntington's disease patients (mean age 49±14 years, range 36 – 75 years) was diminished by about 33  % to 3.99×109±218×106 nerve cells (P≤ 0.012, Mann-Whitney U-test). The mean number of small striatal neurones decreased tremendously to 9.72 × 106± 3.64×106 ( – 88  %). The decrease in total glial cells was less pronounced (193 × 106±26 × 106) but the mean glial index, the numerical ratio of glial cells per neurone, increased from 3.35 to 22.59 in Huntington's disease. Qualitatively, neuronal loss was most pronounced in supragranular layers of primary sensory areas (Brodmann's areae 3,1,2; area 17, area 41). Layer IIIc pyramidal cells were preferentially lost in association areas of the temporal, frontal, and parietal lobes, whereas spared layer IV granule cells formed a conspicuous band between layer III and V in these fields. Methodological issues are discussed in context with previous investigations and similarities and differences of laminar and lobar nerve cell loss in Huntington's disease are compared with nerve cell degeneration in other neuropsychiatric diseases.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00310376
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  • 6
    Electronic Resource
    Electronic Resource
    Cortical and striatal neurone number in Huntington's disease (1994)
    Springer
    Acta neuropathologica 88 (1994), S. 320-333 
    Details
    ISSN: 1432-0533
    Keywords: Huntington's disease ; Human cerebral cortex ; Striatum ; Neurone number ; Stereology
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The total cortical and striatal neurone and glial numbers were estimated in five cases of Huntington's disease (three males, two females) and five age-and sex-matched control cases. Serial 500-μm-thick gallocyanin-stained frontal sections through the left hemisphere were analysed using Cavalieri's principle for volume and the optical disector for cell density estimations. The average cortical neurone number of five controls (mean age 53±13 years, range 36–72 years) was 5.97×109±320×106, the average number of small striatal neurones was 82×106±15.8×106. The left striatum (caudatum, putamen, and accumbens) contained a mean of 273×106±53×106 glial cells (oligodendrocytes, astrocytes and unclassifiable glial profiles). The mean cortical neurone number in Huntington's disease patients (mean age 49±14 years, range 36–75 years) was diminished by about 33% to 3.99×109±218×106 nerve cells (P≦0.012, Mann-Whitney U-test). The mean number of small striatal neurones decreased tremendously to 9.72×106±3.64×106 (−88%). The decrease in total glial cells was less pronounced (193×106±26×106) but the mean glial index, the numerical ratio of glial cells per neurone, increased from 3.35 to 22.59 in Huntington's disease. Qualitatively, neuronal loss was most pronounced in supragranular layers of primary sensory areas (Brodmann's areae 3,1,2; area 17, area 41). Layer IIIc pyramidal cells were preferentially lost in association areas of the temporal, frontal, and parietal lobes, whereas spared layer IV granule cells formed a conspicuous band between layer III and V in these fields. Methodological issues are discussed in context with previous investigations and similarities and differences of laminar and lobar nerve cell loss in Huntington's disease are compared with nerve cell degeneration in other neuropsychiatric diseases.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00310376
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  • 7
    Electronic Resource
    Electronic Resource
    Modular transformations ofSU(N) affine characters and their commutant (1990)
    Springer
    Communications in mathematical physics 127 (1990), S. 617-636 
    Details
    ISSN: 1432-0916
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics , Physics
    Notes: Abstract We describe the algebra of matrices commuting with the action of the modular group on characters ofSU(N) k integrable representations. Using methods of finite quantum mechanics we find a canonical basis for this commutant over ℂ and prove the existence of an equivalent basis over ℚ with integral matrix elements. A final section is devoted to the case ofSU(3).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02104506
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  • 8
    Electronic Resource
    Electronic Resource
    Fusion and singular vectors inA 1 (1) highest weight cyclic modules (1993)
    Springer
    Communications in mathematical physics 152 (1993), S. 127-160 
    Details
    ISSN: 1432-0916
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics , Physics
    Notes: Abstract We show how the interplay between the fusion formalism of conformal field theory and the Knizhnik-Zamolodchikov equation leads to explicit formulae for the singular vectors in the highest weight representations ofA 1 (1) .
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02097060
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  • 9
    Electronic Resource
    Electronic Resource
    Mammakarzinom — Brusterhaltende Therapie (BET) Präoperative Lokalisation und Markierung (1993)
    Springer
    Archives of gynecology and obstetrics 254 (1993), S. 702-704 
    Details
    ISSN: 1432-0711
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Zusammenfassung 80–90% aller Mammamarkierungen lassen sich ultrasonographisch gezielt und röntgenologisch dokumentiert durchführen. Die Stereotaxie ist eine elegante und bei exakter Durchführung sehr treffsichere Methode für die Lokalisation ausschließlich mammographisch erkennbarer Läsionen. Ihr besonderer Wert liegt bei den Herdbefunden, die nur in 1 Ebene erkennbar sind. Die Methode ist klnisch etabliert und sollte jedem Zentrum zur Verfügung stehen.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02266148
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  • 10
    Electronic Resource
    Electronic Resource
    Kathepsin D in Tumorzytosol des primären Mammakarzinoms: Korrelation zu anderen Prognosefaktoren und prognostische Wertigkeit (1993)
    Springer
    Archives of gynecology and obstetrics 254 (1993), S. 855-857 
    Details
    ISSN: 1432-0711
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Zusammenfassung und Schlußfolgerung Anhand der vorgestellten Erbegnisse lassen sich für unser Kollektiv folgende Aussagen treffen: 1. Die KathD-Konzentration ist unabhängig von der Mehrzahl der etablierten Prognosefaktoren, so auch vom Nodalstatus. 2. Die KathD-Konzentration korreliert positiv mit der Rezidivwahrscheinlichkeit. 3. Somit kann die Bestimmung der KathD-Konzentationen im Tumorzytosol des primären Mammakarzinoms dazu beitragen, insbesondere aus dem Low-Risk-Kollektiv der nodalnegativen Patientinnen nochmals Untergruppen mit erhöhtem Rezidivrisiko zu selektieren.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02266206
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