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  1. 1
    Published 2008
    Journal
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    Published 1950
    Journal
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  9. 9
    Published 1993
    Journal
  10. 10
  11. 11
    Published 1954
    Journal
  12. 12
    Published 1954
    Journal
  13. 13
  14. 14
    Published 2004
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    Journal
  15. 15
  16. 16
    Published 2010
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  17. 17
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  19. 19
    Published 1988
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    Journal
  20. 20
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