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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.
Google Scholar is a freely accessible web search engine that indexes the full text or metadata of scholarly literature across an array of publishing formats and disciplines. . Released in beta in November 2004, the Google Scholar index includes peer-reviewed online academic journals and books, conference papers, theses and dissertations, preprints, abstracts, technical reports, and other ...
As of the same date, 24.6 million of PubMed's records are listed with their abstracts, and 26.8 million records have links to full-text versions (of which 10.9 million articles are available, full-text for free). [8] Over the last 10 years (ending 31 December 2019), an average of nearly one million new records were added each year.
CiteScore ( CS) of an academic journal is a measure reflecting the yearly average number of citations to recent articles published in that journal. It is produced by Elsevier, based on the citations recorded in the Scopus database. Absolute rankings and percentile ranks are also reported for each journal in a given subject area.
Scopus. Indexing. ISSN. 0250-4162 (print) 2313-1799 (web) Links. Journal homepage. Scopus: Journal of East African Ornithology is a peer-reviewed scientific journal on East African ornithology published by the Bird Committee of the East Africa Natural History Society. The journal was established in 1977 and the editor-in-chief is Mwangi Githiru.
The countries with the highest share of articles published in scientific journals according to the Nature Index 2024, which is valid for the calendar year 2023. [2] The "count" is the total number of articles to which nationals of the country have contributed.
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 ...
Science, also widely referred to as Science Magazine, [ 1] is the peer-reviewed academic journal of the American Association for the Advancement of Science [ A 2][ 2] (AAAS) and one of the world's top academic journals. [ 3] It was first published in 1880, is currently circulated weekly and has a subscriber base of around 130,000.