Comparative trial of further attenuated measles vaccines.
D002675:Child, Preschool; D005500:Follow-Up Studies; D006385:Hemagglutination Inhibition Tests; D006801:Humans; D007223:Infant; D008457:Measles / Q000276:immunology*; D008458:Measles Vaccine; D009549:Nigeria; D014611:Vaccination
D008458:Measles Vaccine