Pirfenidone in post-COVID-19 pulmonary fibrosis (FIBRO-COVID): a phase 2 randomised clinical trial - Bermudo-Peloche G; Del Rio B; Vicens-Zygmunt V; Bordas-Martinez J; Hernández M; Valenzuela C; Laporta R; Bobillo JR; Portillo K; Millán-Billi P; Balcells E; Badenes-Bonet D; et al. (European Respiratory Journal, 2025)