Correction: A cross-sectional survey of potential factors, motivations, and barriers influencing research participation and retention among people who use drugs in the rural USA (Trials, (2021), 22, 1, (948), 10.1186/s13063-021-05919-w)
- Angela T. Hetrick
- , April M. Young
- , Miriam R. Elman
- , Sarann Bielavitz
- , Rhonda L. Alexander
- , Morgan Brown
- , Elizabeth Needham Waddell
- , P. Todd Korthuis
- , Kathryn E. Lancaster
Producción científica: Comment/debate