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  • 1
    Digitale Medien
    Digitale Medien
    Oxford, UK : Blackwell Publishing Ltd
    Metroeconomica 33 (1981), S. 0 
    ISSN: 1467-999X
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Wirtschaftswissenschaften
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Oxford, UK : Blackwell Publishing Ltd
    Metroeconomica 35 (1983), S. 0 
    ISSN: 1467-999X
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Wirtschaftswissenschaften
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 3
    Digitale Medien
    Digitale Medien
    Oxford, UK : Blackwell Publishing Ltd.
    Metroeconomica 56 (2005), S. 0 
    ISSN: 1467-999X
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Wirtschaftswissenschaften
    Notizen: An input–output model with non-constant returns to scale and externalities is presented, and it is shown that in this model the non-substitution theorem is still valid. More precisely, the quantity side of the theorem, i.e. the proposition on efficiency, remains valid, while there can be no equilibrium prices independent of final demand.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 4
    Digitale Medien
    Digitale Medien
    Westerville, Ohio : American Ceramics Society
    Journal of the American Ceramic Society 84 (2001), S. 0 
    ISSN: 1551-2916
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Maschinenbau , Physik
    Notizen: Thermal cracking under a transient-temperature field in a ceramic/metal functionally graded plate is discussed. When the functionally graded plate is cooled from high-temperature, curved or straight crack paths often occur on the ceramic surface. It is shown that the crack paths are influenced by the compositional profile of the functionally graded plate. Transient-thermal stresses are treated as a linear quasi-static thermoelastic problem for a plane strain state. The crack paths are obtained using finite element method with Mode I and Mode II stress intensity factors.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 5
    Digitale Medien
    Digitale Medien
    Oxford, UK and Boston, USA : Blackwell Publishers Ltd
    Metroeconomica 49 (1998), S. 0 
    ISSN: 1467-999X
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Wirtschaftswissenschaften
    Notizen: This paper generalizes a result due to Okishio: the rate of profit increases as a result of cost reducing technical changes. The generalization is carried out first in a model of joint production which allows for new processes and commodities to be introduced or some of the old ones to be discarded. Then we consider nonlinear models incorporating external and internal (dis)economies
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 6
    Digitale Medien
    Digitale Medien
    Oxford, UK : Blackwell Publishing Ltd
    Metroeconomica 35 (1983), S. 0 
    ISSN: 1467-999X
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Wirtschaftswissenschaften
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 7
    Digitale Medien
    Digitale Medien
    Springer
    World journal of surgery 17 (1993), S. 332-336 
    ISSN: 1432-2323
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Beschreibung / Inhaltsverzeichnis: Résumé L'opération de Kasai (dérivation bilio-entérique au hile) pour atrésie biliaire restaure l'écoulement de la bile chez environ 80% des enfants opérés avant le deuxième mois post-natal. Une enquête récente au Japon a cependant revélé que seulement 7.8% restaient anictériques, et seulement 16% (325/2013) des enfants opérés étaient en vie à 10 ans. Parmi les survivants, la large majorité ont une hypertension portale souvent associée à une fonction hépatique perturbée. La transplantation hépatique serait un traitement particulièrement adapté à cette maladie pour certains. Basée sur les résultats de leur série personnelle de 117 enfants avec une atrésie biliaire, les auteurs présentent un algorithme concernant les indications respectives de l'opération de Kasai seule ou combinée à une transplantation hépatique dans cette maladie.
    Kurzfassung: Resumen La aplicación de la porto-enterostomía hepática (operación de Kasai) en el paciente con atresia biliar (AB) logra la restauración del flujo biliar en aproximadamente 80% de los niños que se operan ante de 60 días. Sinembargo, en términos de sobrevida a largo plazo, una reciente investigación nacional realizada en el Japón demostró que sólo 325 de 2.013 pacientes exibiía sobrevida de más de 10 años y 157 pacientes (7.8%) permanecían libres de ictericia y con función hepática normal. Apenas 20% de los pacientes con AB sin ictiricia logran sobrevivir por largos períodos; la vasta mayoría tienen hipertensión portal y/o función hepática anormal. En la medida que mejoran los resultados del trasplante hepático se suscita controversia sobre el manejo óptimo de estos ninos. Algunos investigadores han planteado el trasplante como la modalidad terapéutica de preferencia para la mayoría de los casos de AB. Estamos pues en una encrucijada en cuanto al tratamiento primario de la AB, lo cual hace necesario definir las indicaciones exactas para la porto-enterostomía de Kasai y el momento oportuno de realizar un trasplante hepático. Este artículo describe nuestra estrategia más reciente para el óptimo tratamiento de los pacientes con AB, con base en nuestra serie de 117 casos sometidos a diversas formas de porto-enterostomía. La porto-enterostomía ofrece el beneficio muy significativo de posponer el trasplante hepático; por consiguiente, la porto-enterostomía y el trasplante son procedimientos complementarios y no competitivos.
    Notizen: Abstract Hepatic portoenterostomy (Kasai operation) for the patient with biliary atresia (BA) can restore the bile flow in approximately 80% of children operated on before 60 days of life [1]. However, in terms of long-term survival, according to a recent nationwide survey among the major pediatric centers in Japan, only 325 of 2013 patients had more than 10 years' survival, and only 157 patients (7.8%) remained jaundice-free with normal liver function [2]. About 20% of BA cases without jaundice are generally able to survive for long periods; and most of those patients have portal hypertension or abnormal liver function [3–5]. As the results of liver transplantation have improved, controversy has arisen over the optimal care of these children [4, 6, 7]. Some investigators have claimed that transplantation is the favored primary therapy for most patients with BA [8]. We are thus at a turning point concerning the primary therapy of BA, which makes it necessary to determine the exact indications for the Kasai portoenterostomy and the timing of liver transplantation. This paper describes our strategy for the optimal treatment of BA patients based on our 117 patients who have had various form of portoenterostomy.
    Materialart: Digitale Medien
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  • 8
    Digitale Medien
    Digitale Medien
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 423-425 (May 2003), p. 607-612 
    ISSN: 1662-9752
    Quelle: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Thema: Maschinenbau
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 9
    Digitale Medien
    Digitale Medien
    Springer
    Pediatric surgery international 4 (1989), S. 326-331 
    ISSN: 1437-9813
    Schlagwort(e): Hirschsprung's disease ; Electron-microscopy ; Schwann cells ; Monoclonal antibodies
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract The pathophysiology of Hirschsprung's disease is not fully understood. Using light microscopy we have previously demonstrated the absence of a unique Schwann-cell antigen in the circular muscle of aganglionic colon identified by D7 monoclonal antibody. In an attempt to characterise the morphological changes in neuronal cells at subcellular level, we studied innervation patterns in normal and aganglionic colon by electron microscopy. The most striking observation on ultrastructural serial examination of the entire resected specimen of colon from patients with Hirschsprung's disease was the presence of grossly swollen monoaxonal or oligoaxonal Schwann cell units with loss of cellular contents in the circular muscle of aganglionic colon. The extent of subcellular changes in Schwann cells and axons corresponded with a diminution of immunoreactivity with a panel of neuronal cell antibodies. These ultrastructural findings suggest that degenerative changes in Schwann cells and axons within the circular muscle coat of aganglionic segment may be a significant factor in the pathogenesis of Hirschsprung's disease.
    Materialart: Digitale Medien
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  • 10
    Digitale Medien
    Digitale Medien
    Springer
    Pediatric surgery international 7 (1992), S. 12-17 
    ISSN: 1437-9813
    Schlagwort(e): Internal anal sphincter ; Achalasia ; Neuropeptides ; Enzyme histochemistry ; Hirschsprung's disease
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract The internal anal sphincter is morphologically derived from the circular muscle of the rectum, but marked differences have been observed in the motor activities of these two morphologically continuous structures. Immunocytochemical studies using anti-neurotransmitter antibodies (vasoactive intestinal peptide, substance P, metenkephalin, neuropeptide Y), enzyme histochemistry for acetylcholinesterase, and electron microscopy were carried out on internal sphincter specimens from 14 patients with internal sphincter achalasia, 5 normal controls, and on rectum from 4 patients with Hirschsprung's disease (HD). The various peptide-containing nerves were increased in internal sphincter achalasia compared to normal controls and patients with HD. The pathophysiology of internal sphincter achalasia appears to differ from that of HD. It is a distinct clinical entity and should be considered separate from the latter.
    Materialart: Digitale Medien
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