Mechanical Support of the Circulation Using a Modified Pulsatile Roller Pump John H. Dufek, William Y. Moores, Donald R. Kahn, Marvin M. Kirsh, Otto Gago, Edward A. Carr Jr., Gerald D. Abrams and Herbert Sloan J Extra Corpor Technol, 3 3 (1971) 8-9 Published online: 13 November 2023 DOI: 10.1051/ject/1971033008