TY  - RPRT
TI  - Monitoring for ventricular premature beats.
AU  - S Alexander
AU  - P J Singer
AU  - C L Feldman
PY  - 1978
DO  - 10.1056/nejm197807202990317
UR  - https://pubmed.ncbi.nlm.nih.gov/661880/
ID  - 661880
ER  -