Transition from Hemochron Response to Hemochron Signature Elite Activated Clotting Time Devices in a Congenital Cardiac Surgery PracticeGregory S. Matte, Robert J. Howe, Juan Ibla, Sirisha Emani and Sitaram M. EmaniJ Extra Corpor Technol, 51 4 (2019) 221-226DOI: https://doi.org/10.1051/ject/201951221