TY  - RPRT
TI  - Decision rules in electrocardiography and vectorcardiography.
AU  - J von der Groeben
PY  - 1967
DO  - 10.1161/01.cir.36.1.136
UR  - https://pubmed.ncbi.nlm.nih.gov/6027209/
ID  - 6027209
ER  -