TY  - RPRT
TI  - Electrocardiographic R-wave changes during cardiac surgery.
AU  - J B Mark
AU  - G L Chien
AU  - R A Steinbrook
AU  - T Fenton
PY  - 1992
DO  - 10.1213/00000539-199201000-00005
UR  - https://pubmed.ncbi.nlm.nih.gov/1734793/
ID  - 1734793
ER  -