TY  - RPRT
TI  - Electrocardiographic diagnosis using digital differentiation.
AU  - T J Fischhof
PY  - 1982
DO  - 10.1016/0020-7101(82)90008-3
UR  - https://pubmed.ncbi.nlm.nih.gov/6215362/
ID  - 6215362
ER  -