Understanding controlled trials. What is a patient preference trial? (original) (raw)

. 1998 Jan 31;316(7128):360. doi: 10.1136/bmj.316.7128.360

D J Torgerson

1, B Sibbald

1

1National Primary Care Research and Development Centre, University of York.

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PMCID: PMC2665528 PMID: 9487173

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