1. Reply to the letter from Manferdelli et al.: 'Muscle O2 diffusion capacity by NIRS: a new approach in the air'. (19th November 2022) Authors: Pilotto, Andrea M.; Adami, Alessandra; Mazzolari, Raffaele; Brocca, Lorenza; Crea, Emanuela; Zuccarelli, Lucrezia; Pellegrino, Maria A.; Bottinelli, Roberto; Grassi, Bruno; Rossiter, Harry B.; Porcelli, Simone Journal: Journal of physiology Issue: Volume 600:Number 23(2022) Page Start: 5165 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗