[Laboratory and epidermiologic aspects of the present phase of poliomyelitis control].
D002675:Child, Preschool; D006801:Humans; D011055:Poliovirus Vaccine, Oral; D014611:Vaccination; D015022:Yugoslavia
D011055:Poliovirus Vaccine, Oral
Laboratorijski i epidemioloski aspekti sadasnje faze borbe protiv poliomijelitisa.