CURRENT CONCEPTS IN THE PREVENTION OF PARALYTIC POLIOMYELITIS.
D035843:Biomedical Research; D001699:Biometry; D006801:Humans; D007223:Infant; D011051:Poliomyelitis; D011055:Poliovirus Vaccine, Oral; D023321:Poliovirus Vaccines; D013223:Statistics as Topic; D014481:United States
D011055:Poliovirus Vaccine, Oral; D023321:Poliovirus Vaccines
INFANT; POLIOVIRUS VACCINE; POLIOVIRUS VACCINE, ORAL; STATISTICS; UNITED STATES