Self-Management Support Using a Digital Health System Compared With Usual Care for Chronic Obstructive Pulmonary Disease: Randomized Controlled Trial.
Andrew J FarmerVeronika WilliamsCarmelo VelardoSyed Ahmar ShahLy-Mee YuHeather RutterLouise JonesNicola WilliamsCarl J HeneghanJonathan PriceMaxine HardingeLionel TarassenkoPublished in: Journal of medical Internet research (2017)
International Standard Randomized Controlled Trial Number (ISRCTN): 40367841; http://www.isrctn.com/ISRCTN40367841 (Archived by WebCite at http://www.webcitation.org/6pmfIJ9KK).