TY  - RPRT
TI  - Concealed rhythms by double ventricular parasystole.
AU  - V K Singh
PY  - 1991
DO  - 10.1016/0002-8703(91)91002-5
UR  - https://pubmed.ncbi.nlm.nih.gov/1713403/
ID  - 1713403
ER  -