AVLINE: a data base and critical review system of audiovisual materials for the education of health professionals.

The AVLINE data base, operated by the National Library of Medicine, was designed to aid in the selection, use, and sharing of quality audiovisual material in the education of health professionals and to promote the quality production of such materials. AVLINE provides standardized bibliographic and critical review information in both online and printed catalog form. In this report the evolution of AVLINE is traced, and the development of its companion review system is examined.