THE CHANGING DEMOGRAPHIC SPECTRUM AND ITS IMPLICATIONS FOR HEALTH.
D000293:Adolescent; D002648:Child; D003710:Demography; D005853:Geriatrics; D006262:Health; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D011634:Public Health; D014481:United States
ADOLESCENCE; CHILD; DEMOGRAPHY; GERIATRICS; INFANT; INFANT, NEWBORN; PUBLIC HEALTH; UNITED STATES