Experiences to date with the Salk vaccine.
D035843:Biomedical Research; D065749:Phoeniceae; D011051:Poliomyelitis / Q000517:prevention & control*; D011054:Poliovirus Vaccine, Inactivated; D014611:Vaccination; D014612:Vaccines
D011054:Poliovirus Vaccine, Inactivated; D014612:Vaccines
POLIOMYELITIS/prevention and control; VACCINES AND VACCINATION