Comparison of teaching machine with an observer in detection of angina pectoris by questionnaire.
D000368:Aged; D000787:Angina Pectoris / Q000175:diagnosis* / Q000453:epidemiology; D001331:Automation; D005260:Female; D006801:Humans; D008297:Male; D008487:Medical History Taking; D008875:Middle Aged; D011795:Surveys and Questionnaires