Clinical and serologic study of four smallpox vaccines comparing variations of dose and route of administration. Primary subcutaneous vaccination.
Connor JD, McIntosh K, Cherry JD, Benenson AS, Alling DW, Rolfe UT, Schanberger JE, Mattheis MJ. Clinical and serologic study of four smallpox vaccines comparing variations of dose and route of administration. Primary subcutaneous vaccination. J Infect Dis. 1977 Jan; 135(1):167-75.