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Poster Horizon 1974 A Matter of Self-Defense 1974

Horizon 1974 A Matter of Self-Defense 1974

This episode of Horizon explains how our body fights infections and cancers and brings us up-to-date on recent research in immunology.

  • Released: 1974-01-07
  • Runtime: 60 minutes
  • Genre: Documentary
  • Stars:
  • Director:
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