Can We Rely on the Activated Clotting Time to Measure Heparin Anticoagulation? A Clinical Evaluation of Two ACT MonitorsSamuel Nilsson, Micael Appelblad and Staffan SvenmarkerJ Extra Corpor Technol, 52 3 (2020) 212-217DOI: https://doi.org/10.1051/ject/202052212