A randomised controlled trial to assess the effectiveness of offering study results as an incentive to increase response rates to postal questionnaires [ISRCTN26118436]

✍ Scribed by Sarah Cockayne; David J Torgerson

• Book ID: 115008706
• Publisher: BioMed Central
• Year: 2005
• Tongue: English
• Weight: 216 KB
• Volume: 5
• Category: Article
• ISSN: 1471-2288
• DOI: 10.1186/1471-2288-5-34