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  • Shoulder  (1)
  • crystal structure  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Crystal structure oftrans-carbonylchlorobis-(tricyclohexylphosphine)iridium(I),trans-Ir(CO)Cl-[P(cyclo-C6H11)3]2, a disordered species (1994)
    Springer
    Journal of chemical crystallography 24 (1994), S. 557-560 
    Details
    ISSN: 1572-8854
    Keywords: Centrosymmetric ; symmetry ; crystal structure
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract The title compound crystallizes in the centrosymmetric triclinic space group $$P\bar 1$$ (C 1 l ; No.2) witha=9.9143(10) Å,b=10.2616(11) Å,c=10.7715(10) Å, α=113.887(8)°, β=109.197(8)°, γ=90.699(9)°,V=932.78(17) Å3 andZ=1. A total of 4869 data were collected and merged to a set of 2450 independent reflections; the structure was solved and refined toR=1.42% andwR=1.94%. The molecule lies on a site of $$\bar 1$$ symmetry and is disordered, with obvious scrambling of carbonyl and chloride ligands. Resulting bond lengths include Ir−P=2.339(1) Å, Ir−Cl=2.398(4) Å and Ir−CO=1.808(15) Å.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01666737
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  • 2
    Electronic Resource
    Electronic Resource
    Limited sensitivity of ultrasound for the detection of rotator cuff tears (1989)
    Springer
    Skeletal radiology 18 (1989), S. 179-183 
    Details
    ISSN: 1432-2161
    Keywords: Shoulder ; Ultrasound ; Rotator cuff
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Bilateral rotator cuff sonography was performed on 56 patients referred for shoulder arthrography to detect rotator cuff tears. Since one patient had bilateral arthrography there were 57 arthrograms. Twenty-seven shoulders had rotator cuff tears shown on arthrography, 15 of which were detected by sonography. Eleven were false negative by sonography, and one was indeterminate. Of the 30 shoulders with negative arthrograms, 28 had normal sonograms and two were false positive. Sensitivity was 58%, specificity was 93% and overall accuracy was 77%. The positive and negative predictive values were 88% and 72%. These results suggest that sonography has limited value in screening patients for rotator cuff tears and that a positive sonographic reading is more reliable than a negative one. Theories relating to the variable anatomic configuration of a tear are postulated to explain these results, which differ from those previously reported.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00360964
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    Paper (German National Licenses)
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