Verapamil and Acebutolol Overdose Results in Asystole: Intra-Aortic Balloon Pump Provides Mechanical SupportCarroll D. Welch, Rob E. Knoerzer and Gregory S. LewisJ Extra Corpor Technol, 24 1 (1992) 36-37DOI: https://doi.org/10.1051/ject/199224136