Determining the Primary Endpoint for a Stimulant Abuse Trial: Lessons Learned from STRIDE (CTN 0037). - Trivedi, Madhukar H.; Greer, Tracy L.; Potter, Jennifer Sharpe; Grannemann, Bruce D.; Nunes, Edward V.; Rethorst, Chad; Warden, Diane; Ring, Kolette M.; Somoza, Eugene (American Journal of Drug & Alcohol Abuse, 2011)