Pinto, J. L. (1935). Duration and Degree of Immunity against Smallpox Conferred by Infantile Vaccination. Ind Med Gaz.
Chicago ZitierstilPinto, J. L. "Duration and Degree of Immunity against Smallpox Conferred By Infantile Vaccination." Ind Med Gaz 1935.
MLA ZitierstilPinto, J. L. "Duration and Degree of Immunity against Smallpox Conferred By Infantile Vaccination." Ind Med Gaz 1935.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.