[EXPERIENCES WITH A NEW ATTENUATED POLIOVIRUS TYPE 3 USOL-D BAC DEVELOPED IN CZECHOSLOVAKIA].
D000917:Antibody Formation; D002648:Child; D003604:Czechoslovakia; D030015:Enterovirus C, Human; D006801:Humans; D007223:Infant; D017955:Poliovirus; D011055:Poliovirus Vaccine, Oral; D023321:Poliovirus Vaccines
D011055:Poliovirus Vaccine, Oral; D023321:Poliovirus Vaccines
ANTIBODY FORMATION; CHILD; CZECHOSLOVAKIA; INFANT; POLIOVIRUS; POLIOVIRUS VACCINE, ORAL
ZKU SENOSTI S NOV'YM OSLABEN'YM POLIOVIREM TYPU 3 USOL-D BAC VYVINUT'YM V  CESKOSLOVENSKU.