WALLINGFORD, Karen T. 301.055 OUTREACH Outreach activities of the National Library of Medicine : a five-year review / by Karen T. Wallingford [et al.]. - [Chicago : Medical Library Association], 1996. - VII, 60 s. : il. ; 26 cm. - ( Bulletin of the Medical Library Association , ISSN 0025-7338 ; vol. 84, nr 2, suppl.)