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  1. pdfNLM Technical Bulletin, no.57-68 
    https://www.nlm.nih.gov/.../nlmarchives/techbull/57-68-1974.pdf
    ... for all users and the added burden of cost resulting from toll charges was eliminated. To date ... no standardized charge by MEDLINE institutions for analyst costs in preparing the search request. Where charges have ...
  2. pdfNLM Technical Bulletin, no.81-92 
    https://www.nlm.nih.gov/.../nlmarchives/techbull/81-92-1976.pdf
    ... node city, you will not incur any significant cost by logging off and logging in at another ... provide equivalent retrieval much faster and at less cost than stringsearching. LIBRARY NETWORK/MEDLARS TECHNICAL BULLETIN- JANUARY ...