TY  - RPRT
TI  - A technique for electrocardiography during exercise testing.
AU  - D H Cato
PY  - 1973
DO  - 10.5694/j.1326-5377.1973.tb129864.x
UR  - https://pubmed.ncbi.nlm.nih.gov/4772116/
ID  - 4772116
ER  -