Prevention and chronic health conditions among children and adolescents.
D000293:Adolescent; D016497:Adolescent Health Services / Q000458:organization & administration; D002648:Child; D002662:Child Health Services / Q000458:organization & administration; D002669:Child Welfare; D002675:Child, Preschool; D002908:Chronic Disease / Q000517:prevention & control* / Q000628:therapy*; D005260:Female; D005544:Forecasting; D006801:Humans; D008297:Male; D020380:Needs Assessment; D011322:Primary Prevention / Q000592:standards* / Q000639:trends