1. Active immunization in the pediatric age group;Coriell;Med. Clin. N. America,1967
2. Bureau of Communicable Diseases, State of California: Verbal communication 1968
3. Adult immunization in preparedness for disaster. The circulating stockpile;Langford;Arizona Med.,1967
4. Diphtheria-foe gone underground;Dillenberg;Canad. J. Public Health,1961