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  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Histopathology 5 (1981), S. 0 
    ISSN: 1365-2559
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The clinicopathological features of 10 cases of superficial oesophageal carcinoma without lymph node metastasis are reported. Superficial oesophaoeal carcinoma, an uncommon form of oesophageal cancer, is defined as invasive squamous cell carcinoma confined to the mucosa and submucosa. It includes plaque-like, erosive, papillary and occult types but is not associated with the usual macroscopic features of advanced oesophageal cancer. The main presenting symptom is dys-phagia and oesophagitis is a frequently quoted endoscopic diagnosis. Superficial oesophageal carcinoma may be preceded by dysplastic and in situ carcinomatous changes and is a probable oesophageal counterpart to early gastric cancer.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Acta biotheoretica 3 (1937), S. 213-220 
    ISSN: 1572-8358
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Description / Table of Contents: Zusammenfassung Es wird gefragt welche Bedeutung die Metamerie haben kann. Zur Erläuterung des Problems werden zwei extremen Betrachtungsweisen einander gegenübergestellt. Nach der morphologischen Betrachtungsweise (Gegenbaur) hat Wachstum der Organismen in die Länge wahrscheinlich zur Ausbildung der Metamerie geführt. Diese erste (absolute) Metamerie ist wahrscheinlich ein funktioneller Differenzierungsprozess gewesen. In der Phylogenese hat sich diese Metamerie behauptet und die ursprünglich entstandene Metamere sind die primären morphotischen Einheiten der Organismen geblieben. Weitergehende Funktionsspezialisierung und Organkonzentration hat die ursprüngliche absolute Metamerie vernichtet. Was davon übrig blieb sind die Reste der ursprünglichen. Die funktioneile Betrachtungsweise verzichtet vorläufig auf eine ursprüngliche absolute Metamerie. Sie fragt bloss nach der funktionellen Bedeutung, welche die Metamerie besitzt bei denjenigen Organismen, wo diese gefunden wird. Sie achtet es möglich, dass Metamerie der Ausdruck sein kann von ganz verschiedenen funktionellen Anforderungen und dass somit die Metamerie bei der einen Tiergruppe von einem ganz anderen Organsystem ausgeht wei bei einer anderen.
    Notes: Summary The author deals with the meaning of metamerism. Two contrary points of view may serve to clear the problem. From the morphological point of view (Gegenbaur) probably outgrowth of the organism in longitudinal direction has led to the development of metameres. So the first (absolute) segmentation is due to a functional differentiation. In Phylogeny this segmentation has been maintained and the originally developed metameres remain the primary morphotic units of the organisms. Further specialising of function and organ-concentration destroyed the original absolute metamerism and only left a rest of the original. The functional point of view renounces an original absolute metamerism for the present moment. It only asks for the functional meaning of the segmentation in organisms, showing this segmentation. From the functional point of view it is possible that metamerism may be the morphological expression of quite different functional requirements and that in one organism the metamerism starts from another system of organs than in another.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Commentarii mathematici Helvetici 72 (1997), S. 1-15 
    ISSN: 1420-8946
    Keywords: Keywords. Cohomology of groups, Brauer group, multiplicative fields of invariants.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Abstract. We give a cohomological calculation of the unramified Brauer group of a field of invariants under a twisted multiplicative action of a finite group.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Mathematische Annalen 294 (1992), S. 235-265 
    ISSN: 1432-1807
    Keywords: 55 U 99
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Conclusion Nous espérons avoir convaincu le lecteur qu'il peut être utile de considérer la classe de Maslov comme une classe bornée. Dans [Gh], nous avons montré que la classe d'Euler bornée pour un groupe d'homéomorphismes directs du cercle rend compte de la dynamique topologique de ce groupe. Existe-t-il un résultat analogue pour Sp(2n,ℝ)? En d'autres termes, soit Γ un groupe discret et ϱ1, ϱ2 deux représentations de Γ dans Sp(2n,ℝ). On suppose que les cocycles ϱ 1 * σ et ϱ 2 * σ définissent la même classe bornée. Que peut-on en conclure sur ϱ1 et ϱ2? Par ailleurs, l'article [At l] traite aussi d'invariants sur SL(2,ℤ) différents de ceux que nous avons considérés, comme par exemple les fonctionsL de Shimizu. Est-il possible de les faire rentrer naturellement dans notre cadre?
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Anatomy and embryology 93 (1930), S. 253-296 
    ISSN: 1432-0568
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Anatomy and embryology 98 (1932), S. 760-827 
    ISSN: 1432-0568
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Anatomy and embryology 82 (1927), S. 694-719 
    ISSN: 1432-0568
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    K-Theory 9 (1995), S. 233-244 
    ISSN: 1573-0514
    Keywords: invariant ; Arason ; Clifford ; Giffen ; Ketu ; groupe de Steinberg ; formes quadratiques ; cohomologie des groupes
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Description / Table of Contents: Résumé Nous étudions un invariant à valeurs dans un sous-quotient deK 3.
    Notes: Abstract We study an invariant with values in a subquotient ofK 3.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Anatomy and embryology 105 (1935), S. 264-287 
    ISSN: 1432-0568
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Anatomy and embryology 55 (1918), S. 416-442 
    ISSN: 1432-0568
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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