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. 1994 Jan 15;308(6922):202–203. doi: 10.1136/bmj.308.6922.202c

Designing a questionnaire. Send a personal covering letter.

PMCID: PMC2542579 PMID: 11394414

202

Selected References

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

Smith W. C., Crombie I. K., Campion P. D., Knox J. D. Comparison of response rates to a postal questionnaire from a general practice and a research unit. Br Med J (Clin Res Ed) 1985 Nov 23;291(6507):1483–1485. doi: 10.1136/bmj.291.6507.1483. [DOI] [PMC free article] [PubMed] [Google Scholar]
Stone D. H. Design a questionnaire. BMJ. 1993 Nov 13;307(6914):1264–1266. doi: 10.1136/bmj.307.6914.1264. [DOI] [PMC free article] [PubMed] [Google Scholar]

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