Erratum to “Stimulant Abuser Groups to Engage in 12-Step: A Multisite Trial in the National Institute on Drug Abuse Clinical Trials Network” 44; 103–114 … Original link: Erratum to “Stimulant Abuser Groups to Engage in 12-Step: A Multisite Trial in the National Institute on Drug Abuse Clinical Trials Network” 44; 103–114