REFERENCES
- Diagnostic Standards and Classification of Tuberculosis. New York, National Tuberculosis Association, 1961.
- Chronic bronchitis, asthma, and pulmonary emphysema. A statement by the Committee on Diagnostic Standards for Nontuberculous Respiratory Diseases. Amer Rev Resp Dis 86: 762–768 (May) 1962.
- Chronic Obstructive Pulmonary Emphysema. A Manual for Physicians. New York, National Tuberculosis Association, 1963.