Portable manometers for the measurement of maximal respiratory pressures: Validation of the use of electromanometers with semiconductor type transducers in everyday practice

1. Perez Gonzalvo, M.E.
2. Servera Pieras, E.
3. Herrejon Silvestre, A.
4. Vergara Lozano, P.
5. Chiner Vives, E.
6. Marin Pardo, J.