%0 Journal Article %A %T Investigation of Left Atrial Spontaneous Echo Contrast as a Marker Indicating Ineffective Anticoagulation in Patients with Mitral Valve Replacement Receiving Warfarin Spontaneous Echo Contrast Indicates Stroke %D 2019 %F %P 163-168 %V 3 %N 2 %R doi:10.14744/ejmi.2019.29093 %U https://dx.doi.org/10.14744/ejmi.2019.29093