Regional utilization of the union catalog of medical periodicals system.

This paper describes regional utilization of the Union Catalog of Medical Periodicals system and data base in producing union lists outside Metropolitan New York, the area served by the Union Catalog. A basic introduction to the Medical Library Center of New York's UCMP system is set forth, demonstrating the system's value in the production of such medical and paramedical union lists throughout the country. Several applications are then described, showing how these union lists were produced.