Provision of private physician services to children and adolescents.
D000293:Adolescent; D002648:Child; D002662:Child Health Services / Q000706:statistics & numerical data; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D011331:Private Practice / Q000706:statistics & numerical data; D014481:United States