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  • 11
    Electronic Resource
    Electronic Resource
    Cambridge : Cambridge University Press
    Recall 4 (1992), S. 27-28 
    ISSN: 0958-3440
    Source: Cambridge Journals Digital Archives
    Topics: Linguistics and Literary Studies , Computer Science
    Type of Medium: Electronic Resource
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  • 12
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 52 (1949), S. 0 
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
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  • 13
    ISSN: 1530-0358
    Keywords: Perianal ulcer ; Wegener's granulomatosis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract A 46-year-old man, without remarkable past medical history, had a perianal ulcer that appeared spontaneously two months before presentation. At admission, the ulcer was painless, measuring 4 to 5 cm in diameter and showing detachment and a slightly papillomatous aspect at the edge but without induration of the base. Microscopic examination revealed cutaneous ulceration with a well-developed inflammatory response, a few small vessels with intraluminal thrombosis or necrotizing walls, and isolated microscopic granulomata. No infectious disease was detected. The diagnosis of Wegener's granulomatosis was made six months later, when the disease was clinically evident in three principal sites: upper airways, lung, and kidney. At that time, serum antineutrophil cytoplasmic autoantibodies were detected with indirect immunofluorescence microscopy. There has been an excellent response to immunosuppressive therapy. Review of the literature revealed no similar reports.
    Type of Medium: Electronic Resource
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  • 14
    ISSN: 1432-0460
    Keywords: Tracheostomy ; Aspiration ; Evan's blue dye ; Deglutition ; Deglutition disorders
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The modified Evan's blue dye procedure (MEBD) is a method of performing tracheal suctioning of the patient through the tracheostomy tube after administration of color-contrasted food and liquid. The MEBD is done when radiographic or fiberoptic procedures are not available or practical. In 5 tracheostomized patients, the MEBD does not detect aspiration.
    Type of Medium: Electronic Resource
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  • 15
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    Unknown
    Washington : Periodicals Archive Online (PAO)
    Negro History Bulletin. 34:5 (1971:May) 103 
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  • 16
    ISSN: 1432-2323
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé Trente-six opérés ne présentant aucun trouble ont été soumis 12.7 ans en moyenne après leur intervention gastrique à une exploration de routine comprenant: endoscopie, mesure du pH, biopsies multiples lors de l'endoscopie et scintigraphie au99mTc HIDA pour apprécier le reflux entérogastrique. Neuf de ces opérés avaient subi une gastrectomie type Polya, 10 une vagotomie tronculaire avec antrectomie (type Billroth I), 9 une vagotomie tronculaire avec pyloroplastie, 8 une vagotomie hypersélective. Chez les sujets qui avaient subi une résection 9 patients qui montraient à l'évidence des facteurs de risques au niveau de la muqueuse gastrique (dysplasie, gastrite atrophique chronique, métaplasie intestinale) avaient un pH supérieur à 4 en période de jeûne. En revanche chez les sujets vagotomisés le pH à jeun ne fut d'aucune valeur pour préjuger de l'existence de facteurs de risques histologiques. La quantité et la durée du reflux entérogastrique appréciée par la scintigraphie pendant plus de 50 minutes ne montra aucune corrélation avec les facteurs de risques chez les sujets ayant subi une résection gastrique. Si la quantité et la durée du reflux chez les patients qui avaient subi une section des vagues furent plus grandes chez les opérés présentant des facteurs de risque, elles ne revêturent pas une valeur discriminatoire. On peut conclure de ces faits que la scintigraphie est une exploration de routine de peu de valeur et que la simple mesure du pH est utile seulement chez les gastrectomisés.
    Abstract: Resumen Treinta y seis pacientes asintomáticos fueron evaluados en un tiempo promedio de 12.7 años después de cirugía gástrica mediante endoscopia con múltiples biopsias y medición intragástrica del pH, y por estudio de reflujo enterogástrico con HIDA Tc 99m. Nueve pacientes habían sido sometidos a gastrectomía tipo Polya, 10 a vagotomía troncular y antrectomía (anastomosis Billroth I), 9 a vagotomía troncular y píloroplastia, 8 a vagotomía gástrica proximal. En el grupo resecado los 9 pacientes con evidencia histológica de factores de riesgo en la mucosa (displasia, gastritis atrófica crónica, metaplasia intestinal) exhibieron un pH intragástrico en ayunas superior a 4. Sinembargo, el pH en ayunas no fué de valor para predecir la aparición de factores de riesgo después de la vagotomía (6 de 17 pacientes). La cantidad y duración del reflujo enterogástrico según estudio con HIDA en un período de 50 minutos no mostró correlación con los factores de riesgo que se presentaron después de la resección. La cantidad y la duración del reflujo después de vagotomía fué superior en los pacientes con factores de riesgo, sin llegar a ser una prueba discriminatoria. Nuestra conclusión es que el estudio con HIDA es de valor limitado como un procedimiento de tamizaje y que la sola prueba de pH es de utilidad solamente en pacientes sometidos a resección gástrica.
    Notes: Abstract Thirty-six asymptomatic patients at a mean time interval of 12.7 years after gastric surgery were assessed by endoscopy, intragastric pH measurement, and multiple biopsy at a single endoscopy and by99mTc Imino Diacetic Acid (HIDA) scanning for enterogastric reflux: 9 patients had had Polya gastrectomy, 10 patients truncal vagotomy and antrectomy (Billroth I anastomosis), 9 patients truncal vagotomy and pyloroplasty, and 8 patients proximal gastric vagotomy. In the resection group the 9 patients with histological evidence of mucosal risk factors (dysplasia, chronic atrophic gastritis, intestinal metaplasia) had a fasting intragastric pH of more than 4. However, fasting pH was of no value in predicting the occurrence of risk factors after vagotomy (6 of 17 patients). The amount and duration of enterogastric reflux as measured by HIDA scanning over 50 minutes did not correlate with risk factors after resection. The amount and duration of reflux after vagotomy were greater in the patients with risk factors but were not discriminatory. We conclude that HIDA scanning is of little value as a screening procedure and that single sample pH testing is useful only in patients after a gastric resection.
    Type of Medium: Electronic Resource
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  • 17
    Electronic Resource
    Electronic Resource
    Springer
    Journal of mammary gland biology and neoplasia 5 (2000), S. 409-420 
    ISSN: 1573-7039
    Keywords: Pre-malignancy ; breast cancer ; experimental model ; rat
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract While a number of agents have been shown to induce mammary carcinogenesis in the rat, premalignant stages of the disease have been best characterized in chemically-induced models, specifically those initiated by either 7,12 dimethylbenz[α]anthracene (DMBA)4 or 1-methyl-1-nitrosourea (MNU). In general, it appears that epithelial cells in mammary terminal end buds or terminal ductules are the targets of carcinogenic initiation, and that a series of morphologically identifiable steps are involved in the development of mammary carcinoma. The premalignant steps include ductal hyperplasia of the usual type and carcinoma in situ of the cribriform or comedo type; atypical ductal hyperplasia has not been reported. Thus the histogenesis of lesions occurring in chemically induced mammary carcinogenesis in the rat is similar to that observed in the human; although, the spectrum of lesions observed in the rat is limited. Opportunities to investigate the biological and molecular characteristics of premalignant breast disease in the rat are presented.
    Type of Medium: Electronic Resource
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  • 18
    Electronic Resource
    Electronic Resource
    Springer
    Open economies review 10 (1999), S. 385-393 
    ISSN: 1573-708X
    Keywords: factor abundance ; factor content
    Source: Springer Online Journal Archives 1860-2000
    Topics: Economics
    Notes: Abstract This paper points out that the different definitions of factor abundance in the empirical trade literature are weaker than in the Heckscher-Ohlin model, which compares endowments of two factors across two countries. These different definitions in practice lead to different factor abundance rankings when there are three or more countries or factors. A lack of correlation between a weak measure of factor abundance and the factor content of trade provides no ground to claim that factor proportions trade theory fails. A working definition of factor abundance more in line with the traditional one is proposed.
    Type of Medium: Electronic Resource
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  • 19
    Electronic Resource
    Electronic Resource
    Springer
    Open economies review 6 (1995), S. 265-280 
    ISSN: 1573-708X
    Keywords: free trade ; income distribution ; developing countries
    Source: Springer Online Journal Archives 1860-2000
    Topics: Economics
    Notes: Abstract A competitive general equilibrium model of production is specified and the long-run comparative static elasticities of changing prices on factor prices are examined in eight developing and newly industrialized countries. Unskilled labor in these developing countries stands to gain from a program of global free trade characterized by increased manufacturing exports and falling prices of imported business services, while capital owners and skilled labor lose. Results are contrasted with developed countries, the United States in particular, where unskilled labor will lose while capital and skilled labor enjoy gains with global free trade.
    Type of Medium: Electronic Resource
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  • 20
    Electronic Resource
    Electronic Resource
    Springer
    Open economies review 5 (1994), S. 191-202 
    ISSN: 1573-708X
    Keywords: oil tariffs ; energy tax ; income distribution ; wage-rent ratio
    Source: Springer Online Journal Archives 1860-2000
    Topics: Economics
    Notes: Abstract An oil tariff has potential to alter the pattern of production and income distribution across productive factors. This paper use a general equilibrium model of production and trade with inputs of capital, labor, and international energy to examine the effects of an oil tariff. Under a range of conditions, higher energy prices created by oil tariffs would lower the ratio of wages to capital rents, and production of labor intensive goods would fall. This paper concentrates on the potential of oil tariffs to alter patterns of production and income distribution.
    Type of Medium: Electronic Resource
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