TY  - RPRT
TI  - Digital echocardiography.
AU  - M L Main
AU  - J D Thomas
PY  - 1998
DO  - 10.1097/00001573-199811000-00004
UR  - https://pubmed.ncbi.nlm.nih.gov/9822872/
ID  - 9822872
ER  -