@misc{indiciae997b39016c3f, title = {Hemodynamic study and left ventricular ejection time in ventricular bigeminy at different coupling intervals.}, author = {A Ronaszeki and A E Aubert and F Van de Werf and H De Geest}, year = {1988}, url = {https://pubmed.ncbi.nlm.nih.gov/2456649/}, note = {Source identifier: 2456649} }