1. Respiratory muscle fatigue in the hypercapnic patient;Roussos;Bull Physiopathol Respir,1979
2. Respiratory muscle strength in obstructive lung disease;Braun;Am Rev Respir Dis,1979
3. Respiratory muscle strength in COPD.;Rochester;Am Rev Respir Dis,1979
4. The respiratory muscles in chronic obstructive pulmonary disease (COPD).;Rochester;Bulla Physiopathol Respir,1979
5. Diaphragmatic energy expenditure in chronic respiratory failure: The effect of assisted ventilation with body respirators.;Rochester;Am J Med,1977