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PubMed Central. 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.
An Iranian index of academic journals and access to full text or metadata Free Scientific Information Database: SCIndeks - Serbian Citation Index: Multidisciplinary: 80,000 A bibliographic database, a national citation index, an Open Access full-text journal repository and an electronic publishing platform. Articles from >230 journals. Free
Information about the journals indexed in MEDLINE, and available through PubMed, is found in the NLM Catalog. [ 7 ] As of 23 May 2023 [update] , PubMed has more than 35 million citations and abstracts dating back to 1966, selectively to the year 1865, and very selectively to 1809.
doaj.org. Commercial. No. Launched. 2003. Current status. Online. The Directory of Open Access Journals (DOAJ) is a website that hosts a community-curated list of open access journals, maintained by Infrastructure Services for Open Access (IS4OA). [1] It was launched in 2003 with 300 open access journals.
Dove Medical Press is a privately held company founded in 2003 [11] by Tim Hill, a former managing director of Adis International and five other founders. [12]As of 11 April 2013, 42 of the 131 journals were indexed in PubMed, while 30 of the 131 journals had fewer than 10 articles.
Scopus is a scientific abstract and citation database, launched by the academic publisher Elsevier as a competitor to older Web of Science in 2004. [1] An ensuing competition between the two databases has been characterized as "intense" and is considered to significantly benefit their users in terms of continuous improvent in coverage, search/analysis capabilities, but not in price.
Online archive. The New England Journal of Medicine (NEJM) is a weekly medical journal published by the Massachusetts Medical Society. Founded in 1812, the journal is among the most prestigious peer-reviewed medical journals. [1] Its 2023 impact factor was 96.2, ranking it 2nd out of 168 journals in the category "Medicine, General & Internal".
M 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]