TY - GEN AU - Nokes,D J AU - Cutts,F T TI - Immunization in the developing world: strategic challenges SN - 0035-9203 PY - 1993///1228 KW - Adolescent KW - Child KW - Child, Preschool KW - Developing Countries KW - Humans KW - Infant KW - Measles KW - prevention & control KW - Measles Vaccine KW - Poliomyelitis KW - Poliovirus Vaccine, Inactivated KW - Vaccination KW - methods N1 - Publication Type: Journal Article UR - https://doi.org/10.1016/0035-9203(93)90001-7 ER -