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  • 1990-1994  (2)
  • Intestinal perforation  (1)
  • resistance  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Annals of the Institute of Statistical Mathematics 42 (1990), S. 163-171 
    ISSN: 1572-9052
    Keywords: Block design ; pairwise balance ; variance balance ; resistance ; BIB design
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: 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.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Pediatric surgery international 9 (1994), S. 501-502 
    ISSN: 1437-9813
    Keywords: Hirschsprung's disease ; Intestinal perforation ; Neonate
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Over a period of 18 years, 77 of 135 patients treated for Hirschsprung's disease (HD) presented in the neonatal period. Of these 77 patients, 8 had gastrointestinal (GI) perforations. Seven patients were born at full term and 1 at 32 weeks of gestation. Three patients had associated trisomy 21. The site of perforation included rectum in 1 patient, sigmoid in 1, descending colon in 1, transverse colon in 2, caecum in 2, and jejunum in 1. Perforations occurred in ganglionic bowel in 7 patients and in the aganglionic segment in 1. One patient died in the newborn period of overwhelming sepsis secondary to enterocolitis, and histology of the bowel confirmed HD. In 6 patients HD was confirmed on barium enema and suction rectal biopsy, and they subsequently underwent a definitive pull-through operation. The 1 patient in whom the initial barium enema was normal continued to suffer from constipation until the age of 7 years, when the diagnosis of HD was established. He then underwent a pull-through procedure with no further problems. An association between neonatal intestinal perforation and HD must therefore be recognised to avoid delay in the management.
    Type of Medium: Electronic Resource
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