TY  - RPRT
TI  - An accurate, clinically practical system for spatial vectorcardiography.
AU  - E FRANK
PY  - 1956
DO  - 10.1161/01.cir.13.5.737
UR  - https://pubmed.ncbi.nlm.nih.gov/13356432/
ID  - 13356432
ER  -