CANreduce 2.0 Adherence-Focused Guidance for Internet Self-Help Among Cannabis Users: Three-Arm Randomized Controlled Trial.
Christian BaumgartnerMichael Patrick SchaubAndreas WengerDoris MalischnigMareike AugsburgerMarc WalterThomas BergerLars StarkDavid Daniel EbertMatthew T KeoughSeverin HaugPublished in: Journal of medical Internet research (2021)
ISRCTN Registry ISRCTN11086185; http://www.isrctn.com/ISRCTN11086185.