Gorodokin, Anton. “The Structure and Genesis of Non-Psychotic Psychopathology in Persons Who Undergo Opioid Substitution Maintenance Therapy”. Journal of Education, Health and Sport 9, no. 5 (May 31, 2019): 617–624. Accessed February 6, 2025. https://apcz.umk.pl/JEHS/article/view/7037.