TY  - RPRT
TI  - Multiform ventricular ectopic rhythm. Evidence for multiple parasystolic activity.
AU  - N El-Sherif
AU  - P Samet
PY  - 1975
DO  - 10.1161/01.cir.51.3.492
UR  - https://pubmed.ncbi.nlm.nih.gov/49229/
ID  - 49229
ER  -