[Sabin's oral vaccine with living virus against polio in Czechoslovakia. Its effectiveness in world-wide use in 1960].
V
V
SKOVRANE
K
K
ZACEK DE PRAGA
D002690:Chlamydia Infections; D003604:Czechoslovakia; D011051:Poliomyelitis / Q000276:immunology*; D011055:Poliovirus Vaccine, Oral
D011055:Poliovirus Vaccine, Oral
POLIOMYELITIS/immunology