Initial nonresponders had an increased response rate after repeated questionnaire mailings

✍ Scribed by Michel Wensing; Geert Schattenberg

• Book ID: 116622736
• Publisher: Elsevier Science
• Year: 2005
• Tongue: English
• Weight: 129 KB
• Volume: 58
• Category: Article
• ISSN: 0895-4356
• DOI: 10.1016/j.jclinepi.2005.03.002