Peer-based Retention Of people who Use Drugs in Rural Research (PROUD-R2): a multisite, randomised, 12-month trial to compare efficacy of standard versus peer-based approaches to retain rural people who use drugs in research.
BMJ Open. 2022 Jun 15;12(6):e064400. doi: 10.1136/bmjopen-2022-064400.
BMJ Open. 2022.
PMID: 35705346
Free PMC article.