TY  - RPRT
TI  - The normal vectorcardiogram. I.
AU  - E YOUNG
AU  - L WOLFF
AU  - J CHATFIELD
PY  - 1956
DO  - 10.1016/s0002-8703(56)80007-0
UR  - https://pubmed.ncbi.nlm.nih.gov/13302143/
ID  - 13302143
ER  -