NEW DRUG FOR SMALLPOX TRIED OUT IN MADRAS.
D035843:Biomedical Research; D003033:Coal Tar; D006801:Humans; D007194:India; D012899:Smallpox; D012900:Smallpox Vaccine; D012901:Variola virus
D012900:Smallpox Vaccine; D003033:Coal Tar
CLINICAL RESEARCH; COAL TAR; INDIA; SMALLPOX; SMALLPOX VACCINE