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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
    ... EVOKED POTENTIALS, incorrect tree numbei Ar-i 76 Spp 76 lonq MeSH terms Sep 76 FILL MAINTENANCE ... i" 1 ANNOTAITD Nov 76 ALF-HAUFFIC, 19^ SPP 76 MfDICAi SUBJECT HEAD [NLS IRFL ANNOTA1 TON. ...