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. 1997 Aug;51(4):463–464. doi: 10.1136/jech.51.4.463

Cost effectiveness of a prize draw on response to a postal questionnaire: results of a randomised trial among orthopaedic outpatients in Edinburgh.

A P Brown ¹, H E Lawrie ¹, A D Kennedy ¹, J A Webb ¹, D J Torgerson ¹, A M Grant ¹

PMCID: PMC1060522 PMID: 9328560

463

Selected References

These references are in PubMed. This may not be the complete list of references from this article.

Mortagy A. K., Howell J. B., Waters W. E. A useless raffle. J Epidemiol Community Health. 1985 Jun;39(2):183–184. doi: 10.1136/jech.39.2.183. [DOI] [PMC free article] [PubMed] [Google Scholar]
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