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PubMed is a free database including primarily the MEDLINE database of references and abstracts on life sciences and biomedical topics. The United States National Library of Medicine (NLM) at the National Institutes of Health maintains the database as part of the Entrez system of information retrieval .
PubMed Central (PMC) is a free digital repository that archives open access full-text scholarly articles that have been published in biomedical and life sciences journals. As one of the major research databases developed by the National Center for Biotechnology Information (NCBI), PubMed Central is more than a document repository.
The Journals Database (one of the Entrez databases) contains information, such as its name abbreviation and publisher, about all journals included in Entrez, including PubMed. [17] Journals that no longer meet the criteria are removed. [18] Being indexed in MEDLINE gives a non-predatory identity to a journal. [19] [20] [21]
FREE Resources: 3 articles every 2 weeks (Register and Read Program, archived journals). Also, early journals (prior to 1923 in US, 1870 elsewhere) free, no registry necessary. Free and Subscription JSTOR [88] Jurn: Multidisciplinary Jurn is a free-to-use online search tool for finding and downloading free full-text scholarly works.
However, "PubMed Health, a portal for systematic reviews as well as consumer health information, was discontinued on October 31, 2018. The same or similar content is being provided through other NLM resources, namely PubMed and Bookshelf (for systematic review content), and MedlinePlus (for consumer health information)."
By 2010, it was estimated to have become the largest journal in the world, [7] and in 2011, 1 in 60 articles indexed by PubMed were published by PLOS One. [15] By September 2017, PLOS One confirmed they had published over 200,000 articles. [16] By November 2017, the journal Scientific Reports overtook PLOS One in terms of output. [17] [18]
The journal is abstracted and indexed in Index Medicus/MEDLINE/PubMed, [4] the Science Citation Index Expanded, Current Contents/Clinical Medicine, and BIOSIS Previews. [5] According to the Journal Citation Reports, the journal had a 2014 impact factor of 14.429, ranking it 7th out of 153 journals in the category "Medicine, General & Internal". [6]
Anne O'Tate is a free, web-based application [1] that analyses sets of records identified on PubMed, the bibliographic database of articles from over 5,500 biomedical journals worldwide. While PubMed has its own wide range of search options to identify sets of records relevant to a researchers query it lacks the ability to analyse these sets of ...