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  • 1
    Electronic Resource
    Electronic Resource
    Intraluminal duodenal diverticulum in a child: incidental onset possibly associated with the ingestion of a foreign body (1999)
    Springer
    European journal of pediatrics 158 (1999), S. 108-110 
    Details
    ISSN: 1432-1076
    Keywords: Key words Intraluminal duodenal diverticulum ; Child ; Foreign body ; Windsock web
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Funnel-type intraluminal duodenal diverticulum (windsock web) is a rare congenital malformation. A 4-year-old boy with vomiting and abdominal pain for several weeks was referred to the hospital. A plain abdominal X-ray on admission disclosed a double bubble sign. Abdominal echography and CT disclosed a foreign body lodged in the alimentary tract. After the foreign body was removed with a fibrescope, endoscopy showed a stenotic descending portion where the foreign body was located. An upper gastro-intestinal contrast study demonstrated a post-bulbar duodenal stenosis with a barium-filled pear-shaped sac in the descending portion of the duodenum. Surgical exploration was done under the diagnosis of windsock web of the duodenum. A simple excision of the web at its base was carried out. A hole 7 mm in diameter was found at the edge of the web. The microscopic appearance of the resected specimen was characterized by the duodenal mucosa with an extensive chronic inflammation lining both sides of the diverticulum and the lack of muscular layer of mucosa. Conclusion If an ingested material is not excreted in the stool, possible clogging in the intestinal tract should always be considered and a further intensive examination is warranted.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004310051028
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Formation of alkoxy-derived yttrium aluminium oxides (1992)
    Springer
    Journal of materials science 27 (1992), S. 1261-1264 
    Details
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract Monoclinic Y4Al2O9 and hexagonal YAlO3 crystallize at low temperatures from amorphous materials prepared by the hydrolysis of yttrium and aluminium double alkoxides. Hexagonal YAlO3 transforms to the cubic phase with a garnet structure as an intermediate product at elevated temperatures. The formation process of YAlO3 is described. Solid solutions of hexagonal YAlO3 crystallize between 50 and 62.5 mol % Al2O3. Yttrium aluminium garnet Y3Al5O12(YAG) is formed by transformation of the solid solution.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01142034
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Formation of alkoxy-derived Y3Al5O12 (1991)
    Springer
    Journal of materials science 10 (1991), S. 101-103 
    Details
    ISSN: 1573-4811
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00721921
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    Paper (German National Licenses)
    Fulltext
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