FURTHER OBSERVATIONS ON THE COMPARATIVE STUDY OF RUSSIAN FREEZE-DRIED SMALL POX VACCINE AND A CALCUTTA LYMPH.
D035843:Biomedical Research; D006801:Humans; D007194:India; D008196:Lymph; D012426:Russia; D012900:Smallpox Vaccine; D014611:Vaccination
D012900:Smallpox Vaccine
CLINICAL RESEARCH; INDIA; SMALLPOX VACCINE; VACCINATION