Exacerbations in Chronic Obstructive Pulmonary Disease: Identification and Prediction Using a Digital Health System.
Syed Ahmar ShahCarmelo VelardoAndrew J FarmerLionel 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/6olpMWNpc).