Statistics notes. Treatment allocation in controlled trials: why randomise?
- PMID: 10221955
- PMCID: PMC1115595
- DOI: 10.1136/bmj.318.7192.1209
Statistics notes. Treatment allocation in controlled trials: why randomise?
Comment in
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Is recruitment more difficult with a placebo arm in RCTs? Methodological issues will have affected results.BMJ. 1999 Sep 25;319(7213):853-4. doi: 10.1136/bmj.319.7213.853b. BMJ. 1999. PMID: 10496847 Free PMC article. No abstract available.
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- MRC Vitamin Study Research Group. Prevention of neural tube defects: results of the Medical Research Council vitamin study. Lancet. 1991;338:131–137. - PubMed
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