Assessing health quality--the case for tracers.
D000293:Adolescent; D000328:Adult; D000368:Aged; D000747:Anemia, Hypochromic / Q000628:therapy; D002648:Child; D002675:Child, Preschool; D003153:Community Health Services; D005069:Evaluation Studies as Topic; D005260:Female; D006311:Hearing Disorders / Q000628:therapy; D006801:Humans; D006973:Hypertension / Q000628:therapy; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008875:Middle Aged; D010033:Otitis Media / Q000628:therapy; D011787:Quality of Health Care; D014481:United States; D014552:Urinary Tract Infections / Q000628:therapy; D002583:Uterine Cervical Neoplasms / Q000628:therapy; D014786:Vision Disorders / Q000628:therapy