TY - BOOK ED - National Library of Medicine U.S. ED - National Institutes of Health U.S. TI - National Library of Medicine programs and services SN - 0163-4569 PY - 1978///- CY - Bethesda, Md. PB - The Library KW - National Library of Medicine U.S KW - Periodicals KW - Local KW - Information services KW - United States KW - Libraries, Medical KW - periodicals ER -