TY  - RPRT
TI  - Experimental intracardiac visualization.
AU  - W J Gamble
AU  - R E Innis
PY  - 1967
DO  - 10.1056/nejm196706222762502
UR  - https://pubmed.ncbi.nlm.nih.gov/6026404/
ID  - 6026404
ER  -