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Effect of NSAIDs on risk of Alzheimer's disease:

BMJ 2003; 327 doi: (Published 25 September 2003) Cite this as: BMJ 2003;327:751

Confounding factors were not discussed

  1. Michael Robertson (, general practitioner
  1. Marcham Road Health Centre, Abingdon, Oxfordshire OX14 1DB

    EDITOR–In their study of the effect of non-steroidal anti-inflammatory drugs (NSAIDs) Etminan et al did not consider possible confounding factors for what is currently only an observed reduction in risk.1

    What if …

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