A randomised controlled trial comparing opt-in and opt-out home visits for tracing lost participants in a prospective birth cohort study. (2015)
Abstract
No abstract provided
Bibliographic Information
Digital Object Identifier: http://dx.doi.org/10.1186/s12874-015-0041-y
PubMed Identifier: 26202794
Publication URI: http://europepmc.org/abstract/MED/26202794
Type: Journal Article/Review
Volume: 15
Parent Publication: BMC medical research methodology
ISSN: 1471-2288