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  1. By: Leon, N.
    Type: Article
    In: The Journal of parasitology
    Volume: 7
    Issue: 4
    Date: 1921-06
    Page Range: 184--185
    Publication Info: Chicago [etc.],
  2. By: Leon, N.
    Type: Article
    In: The Journal of parasitology
    Volume: 7
    Issue: 1
    Date: 1920-09
    Page Range: 43--45
    Publication Info: Chicago [etc.],
  3. By: Leon, N.
    Type: Article
    In: The Journal of parasitology
    Volume: 6
    Issue: 3
    Date: 1920-03
    Page Range: 144--147
    Publication Info: Chicago [etc.],