TY  - RPRT
TI  - Cardiac wall motion analysis using videodensitometry: a time-modulated vector display for evaluation of cardiac performance.
AU  - N R Silverman
AU  - L Rosen
AU  - A L Simon
DO  - 10.1097/00004424-197407000-00007
UR  - https://pubmed.ncbi.nlm.nih.gov/4850887/
ID  - 4850887
ER  -