[Study of antipoliomyelitis vaccination with live virus in the city of Bucharest].
D002690:Chlamydia Infections; D006801:Humans; D011055:Poliovirus Vaccine, Oral; D023321:Poliovirus Vaccines; D014611:Vaccination
D011055:Poliovirus Vaccine, Oral; D023321:Poliovirus Vaccines
POLIOVIRUS VACCINE, ORAL