Topical treatments for head lice

BMJ 1996; 312 doi: https://doi.org/10.1136/bmj.312.7023.123 (Published 13 January 1996) Cite this as: BMJ 1996;312:123

Review's weaknesses may undermine its conclusions

  1. Rumona Dixon,
  2. Alison Eastwood,
  3. Deidre Fullerton,
  4. Anne-Marie Glenny,
  5. Deborah Lister Sharp,
  6. Mark Petticrew,
  7. Trevor Sheldon
  1. Research fellow Research fellow Research fellow Research fellow Research fellow Research fellow Director NHS Centre for Reviews and Dissemination, University of York, York YO1 5DD

    EDITOR,—Robert H Vander Stichele and colleagues' review of topical treatments for head lice has three major weaknesses, which, by introducing bias, may undermine the conclusions.1

    Firstly, one third of all identified trials were not included because of Wellcome's concerns about confidentiality. All 11 of these unpublished studies compared two of the …

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