TI - Cognitive functions in opioid-dependent males according to duration of abstinence AU - Koparal, B. AU - Oktay Yanik, C. AU - Sahiner, I.V. AU - Kaloglu, H.A. AU - Aksu, M.H. AU - Utku, C. AU - Arikan, Z. SO - Dusunen Adam Journal of Psychiatry and Neurological Sciences 2020;33:50-58. DO - 10.14744/DAJPNS.2019.00060