Sehmi Joban S, West Cathy, Khattar Rajdeep, Senior Roxy, Chahal Navtej S
From Department of Cardiology and Echocardiography Laboratory, Royal Brompton Hospital, London, UK.
Circulation. 2015 Oct 13;132(15):1433-4. doi: 10.1161/CIRCULATIONAHA.115.018362.