TY - JOUR KW - Analgesics, Opioid/therapeutic use KW - Humans KW - Ontario KW - Opiate Substitution Treatment/methods KW - Opioid-Related Disorders/drug therapy KW - Retrospective Studies KW - Cascade of care KW - opioid agonist treatment KW - opioid use disorder KW - Treatment attrition AU - F. Tahsin AU - K. A. Morin AU - F. Vojtesek AU - D. C. Marsh A1 - AD - University of Toronto, Toronto, Canada.; Northern Ontario School of Medicine, Sudbury, ON, P3E 2C6, Canada.; ICES North, Sudbury, Canada.; Health Sciences North Research Institute, Sudbury, Canada.; Northern Ontario School of Medicine, Sudbury, ON, P3E 2C6, Canada.; Northern Ontario School of Medicine, Sudbury, ON, P3E 2C6, Canada. dmarsh@nosm.ca.; ICES North, Sudbury, Canada. dmarsh@nosm.ca.; Health Sciences North Research Institute, Sudbury, Canada. dmarsh@nosm.ca.; Canadian Addiction Treatment Centres, Markham, Canada. dmarsh@nosm.ca. BT - BMC health services research C5 - Education & Workforce; Opioids & Substance Use CP - 1 DO - 10.1186/s12913-022-07877-8 IS - 1 JF - BMC health services research LA - eng M1 - Journal Article PB - . The Author(s) PY - 2022 SN - 1472-6963; 1472-6963 SP - 490 T1 - Measuring treatment attrition at various stages of engagement in Opioid Agonist Treatment in Ontario Canada using a cascade of care framework T2 - BMC health services research TI - Measuring treatment attrition at various stages of engagement in Opioid Agonist Treatment in Ontario Canada using a cascade of care framework U1 - Education & Workforce; Opioids & Substance Use U2 - 35413980 U3 - 10.1186/s12913-022-07877-8 VL - 22 VO - 1472-6963; 1472-6963 Y1 - 2022 Y2 - Apr 12 ER -