The influence of Salk's vaccine on the course of acute anterior poliomyelitis.
D007857:Leadership; D011051:Poliomyelitis / Q000276:immunology*; D011052:Poliomyelitis, Bulbar; D011054:Poliovirus Vaccine, Inactivated
D011054:Poliovirus Vaccine, Inactivated
POLIOMYELITIS/immunology