USE OF AN  ATTENUATED STRAIN OF VENEZUELAN EQUINE ENCEPHALOMYELITIS VIRUS FOR IMMUNIZATION IN MAN.
D000818:Animals; D004666:Encephalitis Virus, Venezuelan Equine; D004685:Encephalomyelitis, Venezuelan Equine; D006736:Horses; D006801:Humans; D007114:Immunization; D008297:Male; D023321:Poliovirus Vaccines; D014611:Vaccination
D023321:Poliovirus Vaccines
POLIOVIRUS VACCINE