Drive Belt Tension as a Determinant of Roller Pump Head Slippage P.R. Cappola, R. J. Connolly, P. A. Faraci and R. J. Cleveland J Extra Corpor Technol, 11 4 (1979) 131-136 Published online: 11 October 2023 DOI: 10.1051/ject/1979114131