Use of the Constrained Vortex Pump in Children Under 20 kg Betty S. Chui, Jay H. Shapiro, Klayton Buckley, E. Lanier Allen and Gary Lofland J Extra Corpor Technol, 23 3 (1991) 98-101 Published online: 21 August 2023 DOI: 10.1051/ject/199123398