American experience in harmonizing national policy.
Peter
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Brown University School of Medicine, U.S.A.
D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D006291:Health Policy; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D014481:United States; D014611:Vaccination / Q000331:legislation & jurisprudence*