1. Valoración de los parámetros antropométricos de nuestra población;Alaustré;Med. Clin.,1982
2. American Thoracic Society/European Respiratory Society, 1999. Skeletal Muscle Dysfunction in Chronic Obstructive Pulmonary Disease. Am. J. Respir. Crit. Care Med., 159, S1–S40.
3. Comparison between three different maneuvers for achieving maximal transdiapragmatic pressures;Aran;Arch. Bronconeumol.,1992
4. Banker, B.Q., Engel, A.G., 1994. Variation in diameter of muscle fibres within each fasciculus In: Engel, A.G., Franzini-Armstrong, C. (Eds.), Myology, second ed. Basic Reactions of Muscle vol. 1. McGraw-Hill Inc., London, UK, (Part 2, Chapter 35) pp. 845–847.
5. Bracing arms increases the capacity for sustained hyperpnea;Banzett;Am. Rev. Respir. Dis.,1983