TY  - RPRT
TI  - Convocation lecture: the QRS complex revisited.
AU  - S C Beering
PY  - 1983
DO  - 10.1016/s0735-1097(83)80184-3
UR  - https://pubmed.ncbi.nlm.nih.gov/6863775/
ID  - 6863775
ER  -