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APA Citation
Schepis, T. S., & Hakes, J. K. (2017). age of Initiation, Psychopathology, and other Substance use are associated with time to use Disorder Diagnosis in Persons using Opioids Nonmedically. Substance abuse, 38(4), 407–413. http://access.bl.uk/ark:/81055/vdc_100181615070.0x000039