A Randomised Controlled Trial to Compare Opt-In and Opt-Out Parental Consent for Childhood Vaccine Safety Surveillance Using Data Linkage: Study Protocol
Trials - United Kingdom
doi 10.1186/1745-6215-12-1
Full Text
Open PDFAbstract
Available in full text
Date
January 4, 2011
Authors
Publisher
Springer Science and Business Media LLC