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  • 1990-1994  (1)
  • 1975-1979  (1)
  • Fock orbital, spin and permutation symmetries  (1)
  • Subarachnoid haemorrhage  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Dilatation of the temporal horn in subarachnoid haemorrhage (1992)
    Springer
    Neuroradiology 34 (1992), S. 207-209 
    Details
    ISSN: 1432-1920
    Keywords: Subarachnoid haemorrhage ; Acute hydrocephalus ; Temporal horn ; Cmputed tomography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary CT studies of 50 patients with spontaneous subarachnoid haemorrhage (SAH) and 100 randomly selected patients were reviewed with regard to the size of the frontal and temporal horns of the lateral ventricles. The temporal horn was classified into four grades, based on the size of its posterior portion at the level of the midbrain. The horn was clearly visible in 66% of patients with SAH, but in only 2% of controls. In the SAH group, the temporal horn tended to dilate sooner than the frontal horn after haemorrhage and could be seen clearly in a larger proportion of patients. Thus, assessment of the size of the temporal horn appears to be a simple and sensitive method for assessing ventricular dilatation. In addition, dilatation of the temporal horn may prove to be an important indirect sign suggesting SAH in patients in whom no high density clot is seen on CT.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00596337
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Extended Hartree-Fock (EHF) theory in chemical reactions (1978)
    Springer
    Theoretical chemistry accounts 48 (1978), S. 185-206 
    Details
    ISSN: 1432-2234
    Keywords: Extended Hartree ; Fock orbital, spin and permutation symmetries
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract The roles of orbital, spin and permutation symmetries in the extended Hartree-Fock (EHF) wavefunction are investigated in relation to the applications of group theory to chemical reactions. The utility of the magnetically ordered set for an extended HF calculation is pointed out. The relative stabilities among linear Hückel and Möbius three-center three-electron (3,3) systems are investigated by the generalized Hartree-Fock (GHF) and EHF methods in order to confirm the reliability of the valence-bond (VB) selection rule for free radical reactions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00549018
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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