TY  - RPRT
TI  - The U loop in the vectorcardiogram with the Frank system.
AU  - S Toyama
AU  - K Suzuki
PY  - 1966
DO  - 10.1536/ihj.7.269
UR  - https://pubmed.ncbi.nlm.nih.gov/5296260/
ID  - 5296260
ER  -