Comparison of Celite and Kaolin Based Heparin and Protamine Dosing Assays During Cardiac Surgery: The In Vitro Effect of AprotininMarcia L. Zucker, Charles Walker, David Jobes and Frank M. LaDucaJ Extra Corpor Technol, 27 4 (1995) 201-207DOI: https://doi.org/10.1051/ject/1995274201