Survey shows demand increasing for specialty and solo physicians.
D004470:Economics, Medical; D019538:Health Care Surveys; D006301:Health Services Needs and Demand / Q000706:statistics & numerical data* / Q000639:trends; D006280:Health Workforce; D010821:Physicians, Family / Q000191:economics / Q000600:supply & distribution; D013038:Specialization; D014481:United States