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  • 1990-1994  (2)
  • Duodenal obstruction  (1)
  • resistance  (1)
Materialart
Erscheinungszeitraum
  • 1990-1994  (2)
Jahr
  • 1
    Digitale Medien
    Digitale Medien
    Springer
    Annals of the Institute of Statistical Mathematics 42 (1990), S. 163-171 
    ISSN: 1572-9052
    Schlagwort(e): Block design ; pairwise balance ; variance balance ; resistance ; BIB design
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Mathematik
    Notizen: Abstract A general solution is derived to the problem of characterizing block designs that are simultaneously pairwise-balanced and variance-balanced. Applications of the characterizations obtained to some problems concerned with the local resistance of BIB designs are presented.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Springer
    Pediatric surgery international 9 (1994), S. 366-367 
    ISSN: 1437-9813
    Schlagwort(e): Hirschsprung's disease ; Trisomy 21 ; Duodenal obstruction ; Child
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract The association of trisomy 21 and Hirschsprung's disease (HD) is well known. In a neonate, HD characteristically presents with delayed passage of meconium and/or intestinal obstruction. However, the presence of duodenal atreasia (DA), which may present similarly, can mask the associated HD. Over an 18-year period, 17 of 135 patients with HD had trisomy 21. Three of these 17 patients presented with duodenal obstruction in the newborn period — 2 had DA and 1 a complete duodenal web. One patient developed a perforation of the jejunum 7 days after laparotomy and duodenoduodenostomy and was found to have HD while the other 2 were later investigated because of persistent unresponsive constipation and confirmed to have HD at 1 and 2 years of age. In spite of associated Down's syndrome and DA, the possibility of HD should be considered in patients who have a complicated postoperative course or persisting abnormal stooling patterns.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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