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  1. 1
    Published 2008
    Journal
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    Published 1950
    Journal
  6. 6
  7. 7
    Published 1993
    Journal
  8. 8
  9. 9
  10. 10
    Published 1954
    Journal
  11. 11
    Published 1954
    Journal
  12. 12
  13. 13
    Published 2004
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    Journal
  14. 14
  15. 15
    Published 2010
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    Journal
  16. 16
    Published 1988
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  17. 17
  18. 18
  19. 19
    Published 2003
    Journal
  20. 20
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