Provision of pen along with questionnaire does not increase the response rate to a postal survey: a randomised controlled trial.

Thomas Clark, Khalid Khan, Janesh Gupta

Research output: Contribution to journalArticle

25 Citations (Scopus)
Original languageEnglish
Pages (from-to)595-6
Number of pages2
JournalJournal of Epidemiology and Community Health
Issue number8
Publication statusPublished - 1 Aug 2001

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