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  • 1
    Electronic Resource
    Electronic Resource
    Minimal relation modules of free nilpotent groups (1981)
    Springer
    Archiv der Mathematik 37 (1981), S. 193-197 
    Details
    ISSN: 1420-8938
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01234345
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Bounding the number of generators of a metabelian group (1982)
    Springer
    Archiv der Mathematik 38 (1982), S. 501-505 
    Details
    ISSN: 1420-8938
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01304823
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    The aetiology of idiopathic scoliosis: biomechanical and neuromuscular factors (2000)
    Springer
    European spine journal 9 (2000), S. 178-184 
    Details
    ISSN: 1432-0932
    Keywords: Key words Scoliosis ; aetiology ; Scoliosis ; pathogenesis ; Scoliosis ; neuromuscular ; Scoliosis ; growth
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The aetiology of adolescent idiopathic scoliosis (AIS) remains an enigma. In the literature there are two opinions: one believes a deviating growth pattern is responsible for the condition – patients with AIS tend to be growing faster/be taller – while the other opinion assumes that the growth pattern is normal, but its presence is necessary to allow the development of the scoliosis. We discuss the two stage hypothesis: the natural history of AIS involves an initial stage in which a small curve develops due to a small defect in the neuromuscular control system and a second stage during adolescent growth in which the scoliotic curve is exacerbated by biomechanical factors.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s005860000142
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    A biomechanical analysis of the vertebral and rib deformities in structural scoliosis (1999)
    Springer
    European spine journal 8 (1999), S. 252-260 
    Details
    ISSN: 1432-0932
    Keywords: Key words Scoliosis ; Scoliosis ; deformity ; Scoliosis ; vertebra ; Scoliosis ; rib ; Scoliosis ; biomechanics
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Although the structural changes occurring in the scoliotic spine have been reported as early as the 19th century, the descriptions and biomechanical explanations have not always been complete and consistent. In this study, three-dimensionally rendered CT images of two human skeletons with a scoliotic deformity and two patients with serious scoliosis were used to describe the intrinsic vertebral and rib deformities. The pattern of structural deformities was found to be consistent. Apart from the wedge deformation of the apical vertebrae, a rotation deformity was found in the transversal plane between the vertebral body and the posterior complex: the vertebral body was maximally rotated towards the convexity of the scoliotic curve, whereas the tip of the spinous process was pointed to posterior. The rib deformities at the convex side of the scoliotic curve showed an increased angulation of the rib at the posterior angle, whereas the rib curve on the concave side was flattened. The observed vertebral deformities suggest that these are caused by bone remodelling processes due to forces in the anterior spinal column, which drive the apical vertebral body out of the midline, whereas forces of the musculo-ligamentous structures at the posterior side of the spinal column attempt to minimize the deviations and rotations of the vertebrae. The demonstrated rib deformities suggest an adaptation to forces imposed by the scoliotic spine.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s005860050169
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  • 5
    Electronic Resource
    Electronic Resource
    Gorham’s disease of the spine (1996)
    Springer
    Skeletal radiology 25 (1996), S. 403-405 
    Details
    ISSN: 1432-2161
    Keywords: Key words Gorham’s disease ; Spine ; Magnetic resonance imaging
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  Massive osteolysis is a rare condition and is very uncommon in the spine. The MRI appearance of Gorham’s disease of the spine has not previously been reported. We present here a case of this condition with imaging details.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002560050105
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Spinal fusion in situ in osteogenesis imperfecta (1996)
    Springer
    International orthopaedics 20 (1996), S. 43-46 
    Details
    ISSN: 1432-5195
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé: L’ostéogénèse imparfaite est une maladie rare de sévérité variable. Dans les cas les plus graves, existe une altération très importante du squelette central et périphérique. Ces patients ne peuvent marcher et doivent vivre en chaise. Les déformations rachidiennes sont fréquentes causant des difficultés en station assise, des douleurs et peuvent être à l’origine de complications vitales. L’arthrodèse rachidienne avec instrumentation peut être considérée comme le traitement de choix mais dans les formes graves de la maladie, la qualité de l’os ne permet pas cette instrumentation. Un second problème est la faible qualité et quantité d’autogreffe utilisable. Nous présentons les résultats préliminaires d’une fusion rachidienne non instrumentée utilisant l’os de Keil comme greffe chez cinq patients atteints d’une sévère ostéogénèse imparfaite. Cette technique stabilise la déformation et supprime les douleurs rachidiennes. Cette méthode nous a semblé raisonnable chez les patients atteints d’une forme sévère d’ostéogénèse imparfaite.
    Notes: Summary. Osteogenesis imperfecta in its most severe forms has a devastating effect on the peripheral and central skeleton, and patients are unable to walk. Spinal deformity is common and causes difficulty in sitting, pain and potentially life-threatening complications. Instrumented spinal fusion might be considered the treatment of choice, but the bone may be too weak to sustain the implants and autogenous bone graft is poor in quantity and quality. We present the preliminary results of a technique of fusion without instrumentation and using Keil bone graft in 5 patients with severe osteogenesis imperfecta. The curve was stabilised and back pain relieved.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002640050025
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    Comparison of three methods for assessing varietal differences in resistance to common scab disease (Streptomyces scabies) of potato (1983)
    Springer
    Potato research 26 (1983), S. 175-178 
    Details
    ISSN: 1871-4528
    Keywords: breeding ; natural infection ; artificial inoculation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Consistent varietal differences in scab severity were obtained when plants were grown in an open field or under a polythene tunnel in soil naturally infested withStreptomyces scabies, or in a glasshouse in pots filled with artificially inoculated sand. It was concluded that the glasshouse pot-inoculation technique would be the most suitable method to use in a breeding programme in which there are many clones to be tested, because a large number of plants can be grown in a small area under closely controled conditions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02357479
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