Primary care in a pluralistic society: impediments to health care delivery.
D000203:Activities of Daily Living; D003256:Community Participation; D003363:Cost Control; D003695:Delivery of Health Care / Q000191:economics / Q000331:legislation & jurisprudence; D005192:Family Health; D006297:Health Services Accessibility; D006305:Health Status Indicators; D006801:Humans; D010820:Physicians / Q000706:statistics & numerical data; D011320:Primary Health Care; D011787:Quality of Health Care; D014481:United States