Bibliografia

Begin P., Grassino A., Inspiratory muscle dysfunction and chronic hypercapnia in COPD . Am. Rev. Respir. Dis. 143: 905-12, 1991.

Rochester D.F., Respiratory muscle function. Clin. Chest. Med. 9: 249-61, 1988.

Rochester D.F., Respiratory muscle weakness pattern of breathing and CO ₂ retention in chronic obstructive pulmonary disease . Am. Rev. Respir. Dis. 143: 9012-903, 1991.