[External control in medicine. Sense or nonsense].
Weber
M
M
Kliniken der Stadt Köln, Lehrstuhl Innere Medizin II, Universität Witten-Herdecke, Köln. manfred.weber@uni-koeln.de
Zierenberg
O
O
D000368:Aged; D000553:Ambulatory Care / Q000191:economics / Q000639:trends; D003362:Cost-Benefit Analysis / Q000639:trends; D005544:Forecasting; D005858:Germany; D017048:Health Care Costs / Q000639:trends; D015276:Health Care Rationing / Q000191:economics / Q000639:trends; D006779:Hospitals, Public / Q000191:economics / Q000639:trends; D006801:Humans; D007388:Internal Medicine / Q000191:economics / Q000639:trends*; D008485:Medical Audit / Q000639:trends*; D009313:National Health Programs / Q000191:economics / Q000639:trends*; D011785:Quality Assurance, Health Care / Q000191:economics / Q000639:trends*; D019984:Quality Indicators, Health Care / Q000639:trends