Barra Sergio, Providencia Rui, Agarwal Sharad
Cardiology Department, Papworth Hospital NHS Foundation Trust, Cambridge, UK.
Barts Heart Centre, Barts Health NHS Trust, London, UK.
Int J Cardiol. 2016 Jan 15;203:184-6. doi: 10.1016/j.ijcard.2015.10.080. Epub 2015 Oct 22.