Improving the Quality of Patient Care by Using a Clinical Expert System.

"Methods The intervention was use of an expert system to acquire medical histories by direct interview of patients.~Description of the software program - The program tested in this study consisted of a data acquisition \[history-taking\] component and a data analysis component. The data acquisition component was constructed on the basis of established principles of pathophysiology. Medical knowledge was formalized as software algorithms that were machine-readable by representing the knowledge as branched chain decision trees."

Convential history taking by physicians