TY  - RPRT
TI  - Editorial: Standards for electrocardiographs.
AU  - D M Krikler
AU  - P W Macfarlane
PY  - 1974
DO  - 10.1136/hrt.36.10.945
UR  - https://pubmed.ncbi.nlm.nih.gov/4433451/
ID  - 4433451
ER  -