Balloon Counterpulsation Together with Bio-Medicus Pump Closed Circuit Membrane Oxygenation for Left Ventricular Assist: A Case ReportDavid Gifford, Dereck Wheeldon, John Wallwork and Philip SprattJ Extra Corpor Technol, 18 1 (1986) 29-33DOI: https://doi.org/10.1051/ject/198618129