Children's vaccine initiative.
D002675:Child, Preschool; D003906:Developing Countries; D004355:Drug Stability; D006801:Humans; D017589:Immunization Programs; D007223:Infant; D011055:Poliovirus Vaccine, Oral / Q000008:administration & dosage; D011786:Quality Control; D013745:Tetanus Toxoid / Q000008:administration & dosage
D011055:Poliovirus Vaccine, Oral; D013745:Tetanus Toxoid