Severe bleeding in a patient with factor XIII deficiency and COVID‐19. Issue 1 (24th June 2020) - Quintavalle, Gabriele; Coppola, Antonio; Ruggieri, Alessandro; Rivolta, Gianna Franca; Fronti, Elisa; Giangregorio, Francesco; Michieletti, Emanuele; Tagliaferri, Annarita