"There's No Heroin Around Anymore. It's All Fentanyl." Adaptation of an Opioid Overdose Prevention Counseling Approach to Address Fentanyl Overdose: Formative Study.
Vanessa M McMahanJustine ArenanderTim MathesonAudrey M LambertSarah BrennanTraci C GreenAlexander Y WalleyPhillip Oliver CoffinPublished in: JMIR formative research (2022)
ClinicalTrials.gov NCT03838510; https://clinicaltrials.gov/ct2/show/NCT03838510.