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Comment
. 1999 Sep 25;319(7213):853-4.
doi: 10.1136/bmj.319.7213.853b.

Is recruitment more difficult with a placebo arm in RCTs? Methodological issues will have affected results

L Forbes, S Chinn, J Figueroa-Muñoz, P Seed
Comment

Is recruitment more difficult with a placebo arm in RCTs? Methodological issues will have affected results

L Forbes et al. BMJ. .
No abstract available

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References

    1. Welton AJ, Vickers MR, Cooper JA, Meade TW, Marteau TM. Is recruitment more difficult with a placebo arm in randomised controlled trials? A quasirandomised, interview based study. BMJ. 1999;318:1114–1117. . (24 April.) - PMC - PubMed
    1. Altman DG, Bland JM. Treatment allocation in controlled trial: why randomise? BMJ. 1999;318:1209. . (1 May.) - PMC - PubMed
    1. Pocock SJ. Clinical trials: a practical approach. New York: John Wiley; 1983.