IMMUNITY AGAINST POLIOMYELITIS IN HOUSTON, 1963.
D006801:Humans; D007109:Immunity; D011051:Poliomyelitis; D011055:Poliovirus Vaccine, Oral; D023321:Poliovirus Vaccines; D013223:Statistics as Topic; D013781:Texas
D011055:Poliovirus Vaccine, Oral; D023321:Poliovirus Vaccines
POLIOVIRUS VACCINE, ORAL; STATISTICS; TEXAS