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Effect of prize draw incentive on the response rate to a postal survey of obstetricians and gynaecologists: A randomised controlled trial. [ISRCTN32823119]

โœ Scribed by Sharon H Moses; T Justin Clark


Book ID
115019141
Publisher
BioMed Central
Year
2004
Tongue
English
Weight
198 KB
Volume
4
Category
Article
ISSN
1472-6963

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