Fredericksen RJ, Mixson LS, Estadt AT, Leichtling G, Bresett J, Zule W, Walters SM, Friedmann PD, Romo E, Whitney BM, Delaney JAC, Crane HM, Tsui JI, Young A, Seal D, Stopka TJ. Barriers to retention in inpatient and residential drug treatment among persons who use opioids and/or injection drugs living in the rural U.S. J Subst Use Addict Treat. 2024 Oct; 165:209453.