Bibliografia

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2. Gudjonsdottir M, Appendini L, Baderna P et al. Diaphragm fatigue during exercise at high altitude: the role of hypoxia and workload. Eur Respir J 2001; 17: 674-80.

3. Aaron EA, Seow KC, Johnson BD, Dempsey JA. Oxygen cost of exercise hyperpnea: implications for performance. J Appl Physiol 1992; 72: 1818-25.

4. Harms CA, Wetter TJ, McClaran SR et al. Effects of respiratory muscle work on cardiac output and its distribution during maximal exercise. J Appl Physiol 1998; 85: 609-18.

5. Harms CA, Babcock MA, McClaran SR et al. Respiratory muscle work compromises leg blood flow during maximal exercise. J Appl Physiol 1997; 82: 1573-83.

6. Harms CA, Wetter TJ, St. Croix CM, Pegelow DF, Dempsey JA. Effects of respiratory muscle work on exercise performance. J Appl Physiol 2000; 89: 131-8.