Natarajan A, Taggu W, Phen P, Kelly P A
Department of Cardiology, Essex Cardiothoracic Centre, Basildon and Thurrock University Hospital NHS FT, Nethermayne, Basildon, Essex, SS16 5NP, UK.
QJM. 2012 Jun;105(6):587-8. doi: 10.1093/qjmed/hcr066. Epub 2011 May 4.