Robaei, Daniel Left main coronary artery origin from the right coronary sinus: rare, dangerous, and easy to miss on routine transoesophageal echocardiography. [electronic resource] - Journal of echocardiography Jun 2012 - 72-3 p. digital Publication Type: Journal Article ISSN: 1349-0222 Standard No.: 10.1007/s12574-012-0113-5 doi