Health policy and the HMO.
D001291:Attitude of Health Personnel; D003258:Consumer Behavior; D003695:Delivery of Health Care; D004470:Economics, Medical; D006123:Group Practice; D006279:Health Maintenance Organizations; D006285:Health Planning; D006280:Health Workforce / Q000706:statistics & numerical data; D007348:Insurance, Health; D010380:Peer Review; D011787:Quality of Health Care; D012577:Schools, Medical; D012959:Socioeconomic Factors; D014481:United States