Pediatric practice in the United States with special attention to utilization of allied health worker services.
D000208:Acute Disease; D000553:Ambulatory Care; D019411:Clinical Laboratory Techniques; D006280:Health Workforce / Q000706:statistics & numerical data*; D006801:Humans; D009817:Office Management; D009818:Office Nursing; D010372:Pediatrics; D010808:Physical Examination; D010820:Physicians / Q000706:statistics & numerical data; D011314:Preventive Health Services; D011364:Professional Practice; D012494:Sampling Studies; D012959:Socioeconomic Factors; D013223:Statistics as Topic; D013997:Time Factors; D014481:United States