TY - BOOK TI - Telephone and service directory CY - Bethesda, Md., Washington, D.C. PB - The Institutes, For sale by the Supt. of Docs, U.S. G.P.O KW - National Institutes of Health U.S KW - Local KW - Telephone N1 - Description based on: Mar. 1981; title from cover UR - http://purl.access.gpo.gov/GPO/LPS6936 ER -