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  • 1
    ISSN: 1248-9204
    Keywords: Inguinal hernia ; Plug ; Mesh ; Groin pain
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Background The 14 day results of this study reported elsewhere demonstrated that the Perfix® plug-and-patch was as effective as the Lichtenstein patch but not as cost-effective. The present analysis looks at the results at one year to measure quality of life between the two groups. Patients and Methods 141 patients were randomly allocated in a doubleblind manner to receive either a Lichtenstein patch (patch) or a Perfix® plug- and-patch (plug-and-patch) for primary inguinal hernia. Quality of life at 6 months and one year was assessed by the short-form 36 (SF36). On a 3 point scale patients were asked at one year to rate groin, wound and testicular discomfort. Results Physical function by SF36 was similar in the 2 groups at 6 months, but at one year in the patch group (95.11 +/-20.07) was significantly better (p 〈 0.05) than physical function in the plug-and-patch group (82.5 ± 20.98). At one year the number of patients with wound discomfort limiting work or social activities was significantly greater in patients receiving the plug-and-patch (n = 12) compared with patients receiving the patch (n = 4), p 〈 0.031. At one year, 4 of 70 patients receiving the plug-and-patch had required reoperation to remove the preformed plug-and-patch device and replace it with a flat Lichtenstein patch, because of wound pain which was limiting activity. Conclusion A significant proportion of patients suffer chronic pain after placement of a Perfix® plug-and-patch for primary inguinal hernia repair. Removal of the Perfix® device is required in approximately i in 20 patients (5.6% in this series).
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 183 (1959), S. 326-326 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In certain micro-organisms, shikimic acid has been demonstrated to be in the direct path to aromatic ring biosynthesis5. Microbial response to exogenous quinic acid has been reported in secondary mutants of Aerobacter which grew well when supplied with quinic acid5. Similar results have been ...
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Young trifoliate leaves of the bean (Phaseolus vulgaris L.) plants were supplied through cut petioles with 6 mgm. of shikimate- or quinate-u-14C (specific activity approximately 35,000 c.p.m. per (jimole) in 5 ml. of 0-01 M phosphate buffer, pH. 6-75. After absorption of the labelled compounds and ...
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Industrial & engineering chemistry 24 (1932), S. 819-822 
    ISSN: 1520-5045
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1573-6857
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The iguanid lizard Sceloporus grammicus has a high level of karyotypic variability, and has often been cited as an example of chromosomal speciation. We examined a total of 2036 secondary spermatocytes from 30 S. grammicus males, and found that 16 of the 30 individuals (including a single lizard collected from a hybrid zone between two chromosome races) produced completely balanced spermatocytes. Fourteen of the 30 lizards (including both chromosomal heterozygotes and homozygotes) had relatively low (0.6% to 7.1%) levels of aneuploidy. Heterozygotes had a 1.1% increase over homozygotes in the number of aneuploid spermatocytes observed. The frequency of aneuploidy in S. grammicus may not be high enough to cause chromosomal speciation by any of the mechanisms that have been proposed for this complex. Most individuals showed balanced segregation of the autosomal trivalents, but nearly half of the lizards had a significant excess of spermatocytes with the X1 and X2 rather than the Y sex chromosomes. Five lizards had spermatocytes which had fission mutations not found in the somatic cells. As many as 5.9% of the spermatocytes in one individual had chromosomal mutations. This chromosomal mutation rate has important implications for chromosomal evolution in S. grammicus.
    Type of Medium: Electronic Resource
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