TY  - RPRT
TI  - The sinus node electrogram rediscovered.
AU  - B F Hoffman
PY  - 1998
DO  - 10.1016/s0008-6363(98)00131-x
UR  - https://pubmed.ncbi.nlm.nih.gov/9798513/
ID  - 9798513
ER  -