REFERENCE
- Watson, H.: A surgeon's visit to America. Chest and Heart Bull., April 1963, pp. 50–52.
REFERENCE
- Lowell, A. M.: Tuberculosis in New York City, 1961: Remaining Seedbeds of Tuberculosis Which Are Retarding Eradication. New York, New York Tuberculosis and Health Association, 1962.
REFERENCE
- Medical Care. J. B. Lippincott Company (American Agent), Philadelphia. $6.00 per year.
REFERENCE
- Science News. The National Foundation, June 5, 1963.