TY - GEN AU - Sabin,A B TI - [Vaccination against poliomyelitis in developing countries] SN - 0036-3634 PY - 1980///1027 KW - Adolescent KW - Child KW - Child, Preschool KW - Developing Countries KW - Humans KW - Immunization Schedule KW - Poliomyelitis KW - prevention & control KW - Poliovirus Vaccine, Inactivated KW - administration & dosage KW - Vaccination N1 - Publication Type: Journal Article ER -