Diagnostic systems as an aid to clinical decision making.
D000328:Adult; D003661:Decision Support Techniques; D003937:Diagnosis, Differential; D004381:Duodenal Ulcer / Q000175:diagnosis; D004415:Dyspepsia / Q000175:diagnosis*; D005260:Female; D006801:Humans; D008128:Logic; D008297:Male; D008875:Middle Aged; D012307:Risk Factors; D013276:Stomach Ulcer / Q000175:diagnosis