TY  - RPRT
TI  - The normal direct spatial vectorcardiogram.
AU  - A W KORNBLUTH
AU  - B J ALLENSTEIN
PY  - 1957
DO  - 10.1016/0002-8703(57)90126-6
UR  - https://pubmed.ncbi.nlm.nih.gov/13458069/
ID  - 13458069
ER  -