A hand-held, battery-powered medical questionnaire presentation device is provided for use by a patient. The device has means for displaying questions to the patient, a limited number of keys by which the patient can enter answers, and a memory device for storing the patient's answers. The device is...http://www.google.fr/patents/US5572421?utm_source=gb-gplus-shareBrevet US5572421 - Portable medical questionnaire presentation device
Portable medical questionnaire presentation device
