Showing 1 - 20 results of 95 Refine Results
  1. 1
  2. 2
  3. 3
    Academic Journal

    Source: Proceedings of the National Academy of Sciences of the United States of America, 1996 Apr . 93(9), 4392-4397.

  4. 4
  5. 5
  6. 6
  7. 7
  8. 8
  9. 9
    Academic Journal

    Source: Proceedings of the National Academy of Sciences of the United States of America, 1975 Apr 01. 72(4), 1427-1430.

  10. 10
    Academic Journal

    Source: Proceedings of the National Academy of Sciences of the United States of America, 1988 Jan . 85(2), 529-533.

  11. 11
    Academic Journal

    Source: Proceedings of the National Academy of Sciences of the United States of America, 1974 Sep 01. 71(9), 3478-3482.

  12. 12
  13. 13
    Academic Journal
  14. 14
    Academic Journal
  15. 15
  16. 16
  17. 17
  18. 18
  19. 19
  20. 20