The impact of marijuana use on cocaine use outcomes among patients in methadone maintenance treatment across five trials of contingency management.
Ginley MK, Kelly LM, Pfund RA, Rash CJ, Alessi SM, Zajac K. The impact of marijuana use on cocaine use outcomes among patients in methadone maintenance treatment across five trials of contingency management. Psychol Addict Behav. 2022 Aug; 36(5):526-536.