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APA Citation
Song, M. J., Westenberg, J. N., Kianpoor, K., Nikoo, M., Kazemi, A., Schuetz, C., Jang, K., Gholami, A., Akhondzadeh, S., & Krausz, M. (2022). substance of choice, impact of heroin or opium on treatment retention in a multicentre randomised controlled trial in Iran. Drug and alcohol review, 41, 895–901. http://access.bl.uk/ark:/81055/vdc_100154237070.0x00003d