Effects of extended storage of blood samples on the results of platelet function testing: an in vitro stability study​Artur Hausch Maria Deisenhammer Nenad Mitrovic Ulrich J. Sachs Thomas Mueller a Department of Laboratory Medicine, Hospital Voecklabruck, Austriab Department of Neurology, Hospital Voecklabruck, Austriac Department of Thrombosis and Haemostasis, University Hospital Giessen and Marburg, Giessen, Germanyon February 14, 2026 at 5:56 am