Noninvasive measurement of inspiratory muscle performance by means of diaphragm muscle mechanomyographic signals in COPD patients during an incremental load respiratory test

1. Torres, A.
2. Sarlabous, L.
3. Fiz, J.A.
4. Gea, J.
5. Martínez-Llorens, J.M.
6. Morera, J.
7. Jané, R.