Runev Nikolay Margaritov, Dimitrov Stamen Mitev
Clinic of Cardiology, Department of Internal Diseases "Kirkovich", University Alexandrovska Hospital, Sofia, Bulgaria.
Medical Department, Boehringer Ingelheim RCV GmbH and Co KG, Bulgarian Branch, Bulgaria.
Int J Cardiol. 2015;187:683-5. doi: 10.1016/j.ijcard.2015.03.420. Epub 2015 Mar 31.