DOI: 10.1016/j.ultrasmedbio.2017.07.007
Cardiovascular Ultrasound, 2017;15(3):1-21 DOI: 10.1186/s12947-016-0092-1
Cardiovascular Sciences Forum 2010; 5(2):31-38-ISSN: 1809-3736 http://www.servcor.com/index.php?option=com_content&view=article&id=21&Itemid=13