Tethered Liquid Perfluorocarbon Coating for 72 Hour Heparin-Free Extracorporeal Life Support August 12, 2021 John Stocklin 0 Roberts TR, Choi JH, Wendorff DS, Harea GT, Beely BM, Sieck KN, Douglass ME, Singha P, Dean JB, Handa H, and Batchinsky AI. Tethered Liquid Perfluorocarbon Coating for 72 Hour Heparin-Free Extracorporeal Life Support. ASAIO Journal.