The effect of a monetary incentive on return of a postal health and development questionnaire: a randomised trial [ISRCTN53994660]
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| Description | scientific article |
| Author/s |
author: David R. Jones Sara Kenyon Neil Marlow Katie Pike Peter Brocklehurst Alison T. Salt |
| Publication date | August 18, 2005 |
| Language | English |
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| Missing/wrong data? | Edit Wikidata item |