[PROBLEMS CENTERING AROUND POLIOVACCINE].
D001699:Biometry; D011051:Poliomyelitis; D011055:Poliovirus Vaccine, Oral; D023321:Poliovirus Vaccines; D013223:Statistics as Topic; D014116:Toxicology; D014481:United States
D011055:Poliovirus Vaccine, Oral; D023321:Poliovirus Vaccines
POLIOMYELITIS; POLIOVIRUS VACCINE, ORAL; STATISTICS; TOXICOLOGIC REPORT; UNITED STATES