Understanding children's advocacy in the health sector.
D002648:Child; D002651:Child Advocacy; D002662:Child Health Services / Q000592:standards / Q000706:statistics & numerical data; D006801:Humans; D008427:Maternal Health Services / Q000706:statistics & numerical data; D009310:National Health Insurance, United States / Q000331:legislation & jurisprudence; D011320:Primary Health Care; D011785:Quality Assurance, Health Care; D011787:Quality of Health Care; D014481:United States