TY  - RPRT
TI  - Comparative electrocardiography.
AU  - C R Smith
AU  - R L Hamlin
AU  - H D Crocker
PY  - 1965
DO  - 10.1111/j.1749-6632.1965.tb49400.x
UR  - https://pubmed.ncbi.nlm.nih.gov/5217257/
ID  - 5217257
ER  -