TY  - RPRT
TI  - Intermittent parasystole with concealed extrasystolic bigeminy during myocardial infarction.
AU  - P R Lightfoot
PY  - 1977
DO  - 10.1016/s0002-8703(77)80316-5
UR  - https://pubmed.ncbi.nlm.nih.gov/65122/
ID  - 65122
ER  -