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Review
. 1998 Jan 17;316(7126):201.
doi: 10.1136/bmj.316.7126.201.

Understanding controlled trials. Why are randomised controlled trials important?

B Sibbald  1 , M Roland
Affiliations
Review

Understanding controlled trials. Why are randomised controlled trials important?

B Sibbald et al. BMJ. .
No abstract available

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