TY - JOUR KW - Drug Abuse And Alcoholism KW - Qualitative Research KW - Poverty KW - Substance abuse disorders KW - barriers KW - Retention KW - Hepatitis C KW - Drugs KW - Human immunodeficiency virus--HIV KW - Homeless people KW - Opioids KW - Drug Dependency KW - Substance abuse treatment KW - Bureaucracy KW - Negative experiences KW - access KW - Drug Abuse KW - narcotics KW - Illegal KW - Puerto Rico KW - United States--US AU - Roberto Abadie AU - Katherine McLean AU - Patrick Habecker AU - Kirk Dombrowski A1 - AD - Department of Anthropology, University of Nebraska-Lincoln, 839 Old Father Hall, Lincoln, NE 68588, United States of America ; Department of Administration of Justice, Penn State Greater Allegheny, 400 University Drive, McKeesport, PA 15216, United States of America ; Department of Sociology, University of Nebraska-Lincoln, 430 Old Father Hall, Lincoln, NE 68588, United States of America ; Department of Anthropology, University of Vermont, 72 University Place, VT 05405, United States of America ; Department of Anthropology, University of Nebraska-Lincoln, 839 Old Father Hall, Lincoln, NE 68588, United States of America BT - Journal of substance abuse treatment C5 - Healthcare Disparities; Opioids & Substance Use CY - Elmsford DO - 10.1016/j.jsat.2021.108347 JF - Journal of substance abuse treatment LA - English M1 - Journal Article PB - Elsevier Limited PP - Elmsford PY - 2021 SN - 07405472 SP - 1 T1 - Treatment trajectories and barriers in opioid agonist therapy for people who inject drugs in rural Puerto Rico T2 - Journal of substance abuse treatment TI - Treatment trajectories and barriers in opioid agonist therapy for people who inject drugs in rural Puerto Rico U1 - Healthcare Disparities; Opioids & Substance Use U3 - 10.1016/j.jsat.2021.108347 VL - 127 VO - 07405472 Y1 - 2021 Y2 - 08 ER -