System impact on patient care utilization.
D001322:Autoanalysis / Q000191:economics; D002140:California; D001330:Electronic Data Processing; D006296:Health Services / Q000706:statistics & numerical data*; D006801:Humans; D009098:Multiphasic Screening / Q000191:economics*; D010808:Physical Examination / Q000191:economics; D013597:Systems Analysis