TY  - RPRT
TI  - PULSE COUNTING DURING HEAVY EXERCISE USING NEW ELECTRODES FOR DISPLAYING THE ELECTROCARDIOGRAM.
AU  - C T DAVIES
AU  - J G COPLAND
PY  - 1964
DO  - 10.1152/jappl.1964.19.2.325
UR  - https://pubmed.ncbi.nlm.nih.gov/14155305/
ID  - 14155305
ER  -