Shift in age in chickenpox.
Sloan
D S
DS
Burlison
A
A
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D002644:Chickenpox / Q000453:epidemiology*; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D012606:Scotland