Inspiration Time: The Ultrasound Variable Necessary to Study the Diaphragm Functionality. A Cross-Sectional Controlled Study. - Fernández-Pardo TE; Rodríguez-Nieto MJ; Furió-Valverde M; García-Arrabé M; Mallo-Lopez A; Mahillo-Fernández I; Peces-Barba Romero G (Sage Open Nursing, 2025)