@misc{indiciaebf726bd9b5af, title = {Concealed rhythms by double ventricular parasystole.}, author = {V K Singh}, year = {1991}, doi = {10.1016/0002-8703(91)91002-5}, url = {https://pubmed.ncbi.nlm.nih.gov/1713403/}, note = {Source identifier: 1713403} }