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The main academic full-text databases are open archives or link-resolution services, although others operate under different models such as mirroring or hybrid publishers. . Such services typically provide access to full text and full-text search, but also metadata about items for which no full text is availa
In 1972, EM had joined with Elsevier and later, in 1975, formed EMBASE (Excerpta Medica database) which had released electronic access to abstract journals. Following feedback from the EMBASE user community, EMBASE Classic was created as a separate database to supplement EMBASE as a backfile of medical journals from 1947-1973 which provides ...
Sources include Scopus, Web of Science, PubMed, Embase, Mendeley, arXiv, Worldcat, CrossRef, Journal TOC, CAB Abstracts, SAO/NASA Astrophysics Data System and SciVal Funding opportunities; Data from institutions' internal systems, including HR data, grants, publications, patents, core facilities/resources, etc. Researchers or proxy users can ...
PubMed has been reported to include some articles published in predatory journals. MEDLINE and PubMed policies for the selection of journals for database inclusion are slightly different. Weaknesses in the criteria and procedures for indexing journals in PubMed Central may allow publications from predatory journals to leak into PubMed. [10]
Cochrane researchers will perform searches of medical and health databases including MEDLINE/PubMed, EMBASE, PsycINFO, CINAHL, etc.; a continually updated database of trials called the Cochrane Central Register of Controlled Trials (CENTRAL); hand searching, where researchers look through entire libraries of scientific journals by hand and ...
The abridged edition is a subset of the journals covered by PubMed ("core clinical journals"). [12] The last issue of Index Medicus was published in December 2004 (Volume 45). The stated reason for discontinuing the printed publication was that online resources had supplanted it, [ 13 ] most especially PubMed , which continues to include the ...
Embase/Excerpta Medica [3] EmCare; Index Medicus/MEDLINE/PubMed [4] Science Citation Index [2] Scopus [5] According to the Journal Citation Reports, the journal had a 2014 impact factor of 2.2. [6] In 2015 the journal did not receive an impact factor as it was delisted because of citation stacking. [7]
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.