Patient care information systems in a diversified environment.
D000368:Aged; D000555:Ambulatory Care Information Systems / Q000639:trends*; D003266:Continuity of Patient Care / Q000639:trends; D003363:Cost Control / Q000639:trends; D005260:Female; D006751:Hospital Information Systems / Q000639:trends; D006801:Humans; D007256:Information Systems / Q000639:trends*; D008501:Medical Records, Problem-Oriented / Q000592:standards; D008838:Microcomputers; D009862:Online Systems / Q000639:trends; D010593:Pharmaceutical Services / Q000639:trends; D011785:Quality Assurance, Health Care / Q000639:trends; D014481:United States