The usefulness of D-dimer as a predictive marker for mortality in patients with COVID-19 hospitalized during the first wave in Italy. oleh Shermarke Hassan, Barbara Ferrari, Raffaella Rossio, Vincenzo la Mura, Andrea Artoni, Roberta Gualtierotti, Ida Martinelli, Alessandro Nobili, Alessandra Bandera, Andrea Gori, Francesco Blasi, Valter Monzani, Giorgio Costantino, Sergio Harari, Frits Richard Rosendaal, Flora Peyvandi, COVID-19 Network working group