1. Immunization Today;Love;M. Clin. North America,1950
2. Outbreak of Smallpox in New York City;Weinstein;Am. J. Pub. Health,1947
3. Personal communication, Office of the Surgeon General, Department of the Army.
4. Clinic in Korea;Theresa,;Mod. Med,1953
5. Gellis, S. S.: Personal communication to Dr. D. Fyler.