TY - JOUR KW - Adult KW - Canada KW - Harm Reduction KW - Humans KW - Ontario KW - Pharmaceutical Preparations KW - Qualitative Research KW - Substance-Related Disorders/therapy KW - Addiction KW - Needs KW - people who use drugs KW - policy KW - Service provision KW - substance use KW - treatment AU - C. Russell AU - F. Ali AU - F. Nafeh AU - S. LeBlanc AU - S. Imtiaz AU - T. Elton-Marshall AU - J. Rehm A1 - AD - Institute for Mental Health Policy Research, Centre for Addiction and Mental Health (CAMH), #2035-33 Ursula Franklin St, Toronto, Ontario, M5S 2S1, Canada. Cayley.russell@camh.ca.; Institute for Mental Health Policy Research, Centre for Addiction and Mental Health (CAMH), #2035-33 Ursula Franklin St, Toronto, Ontario, M5S 2S1, Canada.; Institute for Mental Health Policy Research, Centre for Addiction and Mental Health (CAMH), #2035-33 Ursula Franklin St, Toronto, Ontario, M5S 2S1, Canada.; Drug Users Advocacy League (DUAL), 216 Murray St, Ottawa, Ontario, K1N 5S6, Canada.; Institute for Mental Health Policy Research, Centre for Addiction and Mental Health (CAMH), #2035-33 Ursula Franklin St, Toronto, Ontario, M5S 2S1, Canada.; Institute for Mental Health Policy Research, Centre for Addiction and Mental Health (CAMH), #2035-33 Ursula Franklin St, Toronto, Ontario, M5S 2S1, Canada.; Dalla Lana School of Public Health, University of Toronto, 155 College St, Toronto, Ontario, M5T 3M7, Canada.; Department of Epidemiology and Biostatistics, Schulich School of Medicine and Dentistry, Western University, 1151 Richmond St, London, Ontario, M6A 5C1, Canada.; Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health (CAMH), 250 College St, Toronto, Ontario, M5T 1R8, Canada.; Department of Health Sciences, Lakehead University, 955 Oliver Road, Thunder Bay, Ontario, P7B 5E1, Canada.; Institute for Mental Health Policy Research, Centre for Addiction and Mental Health (CAMH), #2035-33 Ursula Franklin St, Toronto, Ontario, M5S 2S1, Canada.; Dalla Lana School of Public Health, University of Toronto, 155 College St, Toronto, Ontario, M5T 3M7, Canada.; Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health (CAMH), 250 College St, Toronto, Ontario, M5T 1R8, Canada.; Department of Psychiatry, University of Toronto, 1 King's College Circle, Toronto, Ontario, M5S 1A8, Canada.; Institute of Medical Science (IMS), U(TRUNCATED) BT - BMC public health C5 - Education & Workforce; Healthcare Disparities; Opioids & Substance Use CP - 1 DO - 10.1186/s12889-021-12104-w IS - 1 JF - BMC public health LA - eng M1 - Journal Article PB - . The Author(s) PY - 2021 SN - 1471-2458; 1471-2458 SP - 2021 T1 - A qualitative examination of substance use service needs among people who use drugs (PWUD) with treatment and service experience in Ontario, Canada T2 - BMC public health TI - A qualitative examination of substance use service needs among people who use drugs (PWUD) with treatment and service experience in Ontario, Canada U1 - Education & Workforce; Healthcare Disparities; Opioids & Substance Use U2 - 34742267 U3 - 10.1186/s12889-021-12104-w VL - 21 VO - 1471-2458; 1471-2458 Y1 - 2021 Y2 - Nov 6 ER -