Literature search of publications on digital hearing aids.

A search was made of the BRS (database vendor) System for information on digital hearing aids . First, the CROS feature of BRS indicated that most information on digital hearing aids is contained in four databases, two medical and two scientific . The four databases searched were : the National Library of Medicine's database (MESH), which covers 3,600 national and international biomedical journals ; Excerpta Medicas's database (EMED), which covers over 800,000 records of biomedical journals and conference papers ; Computerized Engineering Index (COMP), a worldwide index to technical and engineering journals, conference proceedings, and monographs ; and, Inspec (INSP), which indexes international journal articles in the fields of physics, engineering, and comp'ter science.