1. Mechanisms, assessment, and management: A consensus statement: American Thoracic Society;Dyspnea;Am J Respir Crit Care Med,1999
2. A statement of the American Thoracic Society and European Respiratory Society;Skeletal muscle dysfunction in chronic obstructive pulmonary disease;Am J Respir Crit Care Med,1999
3. The influence of airway obstruction and respiratory muscle strength on maximal voluntary ventilation in lung disease;Aldrich;Am Rev Respir Dis,1982
4. Human respiratory muscle actions and control during exercise;Aliverti;J Appl Physiol,1997
5. Respiratory muscle strength and maximal voluntary ventilation in undernourished patients;Arora;Am Rev Respir Dis,1982