1. Occupational lung diseases.;Parkes,1982
2. Spirometry in the evaluation of pulmonary function.;Morris;West J Med,1976
3. Clinical exercise testing.;Jones,1982
4. Pulmonary functions in pregnancy: 3. serial observations in patients with pulmonary insufficiency.;Gaensler;Am Rev Tuberc,1953
5. Sarcoidosis;Scadding,1985