TY  - RPRT
TI  - Polarcardiographic sensitivity and specificity.
AU  - P M Rautaharju
PY  - 1977
DO  - 10.1016/s0022-0736(77)80058-7
UR  - https://pubmed.ncbi.nlm.nih.gov/858980/
ID  - 858980
ER  -