J Am Soc Echocardiogr. 2017 Jun;30(6):A25-A27. doi: 10.1016/j.echo.2017.03.018.
Journal of the American Society of Echocardiography : official publication of the American Society of Echocardiography
[No authors listed]
PMID: 28528656 DOI: 10.1016/j.echo.2017.03.018
[No abstract available.]