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  • 1
    Electronic Resource
    Electronic Resource
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Genetics 28 (1994), S. 325-349 
    ISSN: 0066-4197
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Biology
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 76 (2000), S. 2445-2447 
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: We describe a first-order gradiometric dc superconducting quantum interference device (SQUID) and its incorporation into a first-order directly coupled single-layer gradiometer. The gradiometric SQUIDs were fabricated from a single layer of YBa2Cu3O7, with a silicon dioxide insulating layer and a gold crossover structure. For several gradiometric SQUIDs, with estimated inductances of order 67 pH, we measured parasitic effective areas in the range 1–2 μm2, approximately two orders of magnitude lower than for conventional narrow linewidth SQUIDs of similar inductance. For a single-layer gradiometer incorporating a gradiometric SQUID, we measured a parasitic effective area of 95 μm2. We demonstrate that for this device, the SQUID itself makes a negligible contribution to the overall parasitic effective area. We show that the improved balance leads to better performance in an unshielded environment. © 2000 American Institute of Physics.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Pediatric surgery international 5 (1990), S. 182-184 
    ISSN: 1437-9813
    Keywords: Hirschsprung's disease ; Aganglionosis ; Intestinal atresia ; Myelomeningocoele
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Intestinal atresia associated with Hirschsprung's disease has been reported in only 26 cases (20 of small bowel and 6 of colon). Three additional patients are reported, two with associated myelomenigocoele. The significance of the myelomeningocoele and possible aetiological mechanisms of these associations are discussed with particular reference to the role of a vascular accident or the embryological failure of migration of nerve cells. The most likely cause is a volvulus proximal to the aganglionic bowel resulting in the associated atresia.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Pediatric surgery international 8 (1993), S. 8-13 
    ISSN: 1437-9813
    Keywords: Lye ; Oesophageal strictures ; Colonic interposition
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract In a series of 142 children treated for corrosive burns at the University of Cape Town teaching hospitals between 1957 and 1990, 55 developed strictures of the oesophagus. Prograde dilatations with or without a guiding trans-stricture string proved successful in 22 children while 33 had an oesophageal bypass procedure. The complications following dilatations, particularly the 10 perforations of the oesophagus, are reviewed. Three of these later responded successfully to further dilatations. Since 1969, a single-staged left colon interposition was employed as the procedure of choice. The operative technique of the left colon interposition is described and the early and late complications following the bypass procedures are detailed and discussed, stenosis and strictures at the upper anastomosis being the most significant.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Pediatric surgery international 8 (1993), S. 445-446 
    ISSN: 1437-9813
    Keywords: Oesophagus ; Stricture ; Dilatation ; Children
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Very narrow oesophageal strictures, although visible on contrast examination, may not be amenable to safe prograde dilatation. A technique used in four recent cases where attempts at prograde dilatation had failed is described. The strictures were easily negotiated from below via a gastrostomy and the distal oesophagus using an Arrow Duoflex guide wire for subsequent string-guided dilatation. Access to the lower oesophagus was easily achieved using a Portex blue-line endotracheal tube. This method appears quick, safe, and reliable.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Pediatric surgery international 9 (1994), S. 12-16 
    ISSN: 1437-9813
    Keywords: Vestibular fistula ; Fistula trasplant ; Posterior sagittal anorectoplasty
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Eleven females who had a posterior anal transfer (PAT) for a vestibular anus were reviewed in order to: (1) assess the long-term functional success of this operation clinically; (2) evaluate the anorectal manometry profile; and (3) assess defaecation by video proctography. The cosmetic appearance was excellent in all patients. Seven had a good result, 2 a fair result, and 2 a poor result when assessed clinically (Kelly score) in terms of constipation and soiling. The anorectal manometry profile remained within normal limits except in the 2 with a poor result who had diminished sensory awareness of stool in the rectum. PAT does not appear to damage the muscle-sphincter complex, and the children with a large rectum full of faeces seemed to behave like children with acquired megacolon and constipation. Video proctography showed normal defaecatory patterns in all patients. Patient selection is important for this procedure. When PAT was used as the initial treatment a good result was obtained; when it was used to relieve constipation following previous surgery the result was less satisfactory.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Pediatric surgery international 5 (1990), S. 392-396 
    ISSN: 1437-9813
    Keywords: Abdominal tuberculosis ; Complications ; Surgical management
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract During the period 1980–1989, 95 patients, mean age 5 years, with abdominal tuberculosis (ATB) were seen at the Red Cross Children's Hospital. Eighty per cent were malnourished. Apart from fever, loss of weight, and failure to thrive, symptoms of abdominal pain, vomiting, and diarrhoea predominated. Abdominal distension (86%) and a palpable mass (57%) were the most common physical findings. Sixty-three per cent had radiological evidence of chest disease. Abdominal ultrasound was useful in identifying ascites and distribution of lymph node masses. Fifty of the 95 patients were managed on the surgical unit and the predominant involvement was: peritoneal 21, nodal 15, enteric 11, and undetermined 3. Thirteen of this group developed one or more complications — perforation (4), obstruction (7), abscess or fistulae (5), and haemorrhage (1). Surgery involved diagnostic laparotomy, extra-abdominal biopsy, and management of the complications. Emergency surgery was conservative. Definitive surgery for stricture-plasty, resection, and stoma closure was delayed at least 8 weeks to allow for chemotherapeutic effect. Uncomplicated TB responded rapidly to therapy. There were no deaths in this group. Thirty-seven of the 45 “medical” cases made an uncomplicated recovery on anti-TB therapy. Three died due to generalised disease, 5 had complications (chylous ascites 2, protein-losing enteropathy 3) and 3 had relapse of disease due to poor compliance. The morbidity and mortality of this ubiquitous disease can be greatly reduced by timely diagnosis, which often requires early recourse to diagnostic laparotomy, and appropriate surgery and supportive care for complicated disease.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Pediatric surgery international 5 (1990), S. 298-299 
    ISSN: 1437-9813
    Keywords: Congenital diaphragmatic hernia ; Surgical technique
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract A technique of closing large congenital diaphragmatic hernial defects without significant tension is described. Suggested advantages are: the simplicity of the technique; minimising the adverse effects of surgical repair on lung compliance; maintenance of the dome shape of the diaphragm, thus sparing intra-abdominal volume; and improved cosmetic results in the long term.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Pediatric surgery international 5 (1990), S. 350-354 
    ISSN: 1437-9813
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Despite improved technology and imaging techniques, problems and controversies still exist as to the best methods of diagnosis and management of visceral injuries in children with blunt abdominal trauma. The authors discuss these topics based on their experience with 732 organ injuries in 587 children under 13 years of age during the 11-year period 1978–1988.
    Type of Medium: Electronic Resource
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