TY  - RPRT
TI  - Coexisting ventricular and blocked atrial parasystole.
AU  - J P O'Neil
AU  - L A Papa
AU  - E K Chung
PY  - 1976
DO  - 10.1016/s0022-0736(76)80075-1
UR  - https://pubmed.ncbi.nlm.nih.gov/57203/
ID  - 57203
ER  -