National Library of Medicine Biomedical Indexing Timeline 1879 - 1st volume of Index Medicus Published 1964 - Medlars Automated database used to produce Index Medicus 1966 - Batch searching by specially trained Librarians 1971 - Medlars Online or Medline accessible 1986 - Grateful Med searched by Health care Professionals 1997 - PubMed on the Web 1998 – MedlinePlus offers consumer info 2000 - Clinical Trials made Web searchable