Bah humbug! Association between sending Christmas cards to trial participants and trial retention: randomised study within a trial conducted simultaneously across eight host trials. (2021)
Attributed to:
Routinely embedding recruitment and retention interventions within randomised controlled trials
funded by
MRC
Abstract
No abstract provided
Bibliographic Information
Digital Object Identifier: http://dx.doi.org/10.1136/bmj-2021-067742
PubMed Identifier: 34906985
Publication URI: http://europepmc.org/abstract/MED/34906985
Type: Journal Article/Review
Volume: 375
Parent Publication: BMJ (Clinical research ed.)
ISSN: 0959-8138