Dyspnoea, disability, and distance walked: comparison of estimates of exercise performance in respiratory disease.

Perceived exertion as an indicator of somatic stress

1970 • 4,471 citations

Twelve-minute walking test for assessing disability in chronic bronchitis.

1976 • 754 citations

Physical rehabilitation for the chronic bronchitic: results of a controlled trial of exercises in the home.

1977 • 213 citations

Portable oxygen and exercise tolerance in patients with chronic hypoxic cor pulmonale.

1977 • 104 citations

Exertion of stairclimbing in normal subjects and in patients with chronic obstructive bronchitis.

1977 • 20 citations

DISABILITY IN PATIENTS WITH OBSTRUCTIVE PULMONARY DISEASE.

1964 • 18 citations