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    Nutritional epidemiology by Willett, Walter

    Published 1990
    Book
  3. 3

    Nutritional epidemiology by Willett, Walter

    Published 1998
    Book
  4. 4
  5. 5

    Research methods by McBurney, Donald H.

    Published 1994
    Book
  6. 6
  7. 7

    Data analysis and interpretation

    Published 1979
    Book
  8. 8
  9. 9
  10. 10

    Linking data by Fielding, Nigel G.

    Published 1986
    Book