Evidence of lung perfusion defects and ongoing inflammation in an adolescent with post-acute sequelae of SARS-CoV-2 infection. (September 2021) - Buonsenso, Danilo; Di Giuda, Daniela; Sigfrid, Louise; Pizzuto, Daniele Antonio; Di Sante, Gabriele; De Rose, Cristina; Lazzareschi, Ilaria; Sali, Michela; Baldi, Fabiana; Chieffo, Daniela Pia Rosaria; Munblit, Daniel; Valentini, Piero