Plasma P‐selectin is an early marker of thromboembolism in COVID‐19. Issue 12 (16th October 2021) - Fenyves, Bánk G.; Mehta, Arnav; ,; Kays, Kyle R.; Beakes, Caroline; Margolin, Justin; Goldberg, Marcia B.; Hacohen, Nir; Filbin, Michael R.