COVID-19 Patients Require Prolonged Extracorporeal Membrane Oxygenation Support for Survival Compared With Non-COVID-19 Patients oleh Martin Russ, MD, Mario Menk, MD, Jan Adriaan Graw, MD, Vladimir Skrypnikov, MD, Oliver Hunsicker, MD, Kathleen Rudat, MD, Steffen Weber-Carstens, MD, Roland C. E. Francis, MD, Philipp A. Pickerodt, MD