Measles immunization: 12 or 15 months?
D000293:Adolescent; D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D008457:Measles / Q000517:prevention & control*; D008458:Measles Vaccine
D008458:Measles Vaccine