THE FUTURE OF INACTIVATED POLIOMYELITIS VACCINES.
D001699:Biometry; D006801:Humans; D007223:Infant; D011051:Poliomyelitis; D011054:Poliovirus Vaccine, Inactivated; D011055:Poliovirus Vaccine, Oral; D023321:Poliovirus Vaccines; D013223:Statistics as Topic; D006113:United Kingdom; D014481:United States
D011054:Poliovirus Vaccine, Inactivated; D011055:Poliovirus Vaccine, Oral; D023321:Poliovirus Vaccines
GREAT BRITAIN; INFANT; POLIOVIRUS VACCINE; POLIOVIRUS VACCINE, ORAL; STATISTICS; UNITED STATES