Christodoulos E. Papadopoulos, Athanasios Fotoglidis, Efstathios Pagourelias, Vassilios Vassilikos

J Cardiovasc Ultrasound.2016;24(2):172-173.   Published online 2016 June 22     DOI: http://dx.doi.org/10.4250/jcu.2016.24.2.172