Prevention of generalized anxiety disorder using a web intervention, iChill: randomized controlled trial.
Helen ChristensenPhilip J BatterhamAndrew J MackinnonKathleen Margaret GriffithsKanupriya Kalia HehirJustin A KenardyJohn A GoslingKylie BennettPublished in: Journal of medical Internet research (2014)
International Standard Randomized Controlled Trial Number (ISRCTN): 76298775; http://www.controlled-trials.com/ISRCTN76298775 (Archived by WebCite at http://www.webcitation.org/6S9aB5MAq).