TY  - RPRT
TI  - Contrast echocardiography for left ventricular opacification.
AU  - J Timperley
AU  - A R J Mitchell
AU  - H Becher
PY  - 2003
DO  - 10.1136/heart.89.12.1394
UR  - https://pubmed.ncbi.nlm.nih.gov/14617543/
ID  - 14617543
ER  -