Matrix metalloprotease-7 is associated with post-COVID-19 persistent lung abnormalities - Ivette Buendia-Roldan; Leslie Chavez-Galan; Hiram Aguilar-Duran; Andy Ruiz; Ramcés Falfan-Valencia; Gloria Pérez-Rubio; Annie Pardo; Moisés Selman (ERJ Open Research)