ORAL POLIOVIRUS VACCINES.
D000293:Adolescent; D002648:Child; D006801:Humans; D007223:Infant; D011055:Poliovirus Vaccine, Oral; D023321:Poliovirus Vaccines; D014611:Vaccination
D011055:Poliovirus Vaccine, Oral; D023321:Poliovirus Vaccines
ADOLESCENCE; CHILD; INFANT; POLIOVIRUS VACCINE, ORAL; VACCINATION