“…Scopus, PubMed, Cochrane Library, Google Scholar, web of knowledge, and Science Direct were searched for relevant studies. A manual search of articles (hand searching), reference exploring, checking for grey literature, and seeking expert opinion were also done. …”
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“…METHOD: To achieve the object of this research, four electronic databases- Science Direct, Web of Science (WoS), APA PsyclNFO, and Emerald- were searched using predefined keywords (search string) relating to the review topic. …”
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“…METHODS: We conducted a literature search using the terms “[EGFR] AND [mutation] AND [Non-Small Cell Lung Cancer] AND [Middle East OR North Africa]”, using PubMed, Science Direct, Web of science, Embase, Scopus, and Google scholar. …”
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“…We conducted a systematic search of the PubMed, ScienceDirect, PsycINFO, Web of Science, Embase and Google Scholar databases up to July 2022. …”
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“…A comprehensive literature search was performed on international databases of Medline, Science Direct, PubMed, Embase, Scopus, Springer, Online Library Wiley, Web of Science, Cochrane, and Google Scholar and domestic data bases of Iranmedex, Magiran, SID, and Medlib. …”
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“…Using PRISMA guidelines, a total of thirty-five studies were finalized from databases such as PubMed, Science Direct, JSTOR, Web of Science, Google Scholar and ProQuest. …”
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“…DATA SOURCES: PubMed, CINAHL, Science Direct, PEDro, Google Scholar and Cochrane Library databases were systematically searched to the end of March 2022. …”
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“…Specific search terms were used to locate articles across nine databases: MEDLINE/PubMed, ScienceDirect, EMBASE, Cochrane Library, ERIC, Academic Search Complete, CINAHL, Scopus and Google Scholar. …”
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“…We systematically searched PubMed, Embase, Web of science, and ScienceDirect from inception to 19 September 2022. The PICO (P: patients; I: intervention; C: comparison; O: outcome) was as follows: patients diagnosed with COVID-19 (P); vaccination with COVID-19 vaccines (I); the patients were divided into vaccinated and unvaccinated groups (C); the outcomes were the occurrence of long COVID, as well as the various symptoms of long COVID (O). …”
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“…Ten databases will be searched: MEDLINE/PubMed, Cochrane Library, Excerpta Medica database, cummulative index to nursing and allied health literature (CINAHL), Web of Science, SCOPUS, Science Direct, PsycINFO, Latin American and Caribbean Health Sciences Literature and Chinese national knowledge infrastructure with no restrictions on publication date or languages. …”
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“…METHODS: Relevant literature published in the databases of Pubmed, Embase, Science Direct, Cochrane Central Register of Controlled Trials, China National Knowledge Infrastructure and Wanfang was searched. …”
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“…The literature research was conducted on PubMed, EMBASE, Scopus, Science Direct, Web of Science and Cochrane database registry on 6 January 2022. …”
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“…METHODS: A systematic and comprehensive search was carried out in databases and search engines, including EMBASE, Cochrane, MEDLINE, ScienceDirect and Google Scholar from 1964 until January 2022. …”
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“…METHODS: Datasets of PubMed, ScienceDirect, CENTRAL, Embase, and Google Scholar were searched for studies comparing maternal and neonatal outcomes of monochorionic twin pregnancies conceived by assisted vs. spontaneous methods. …”
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“…Materials and Methods: A systematic literature search was undertaken using PubMed/MEDLINE, HINARI, the Web of Science, ScienceDirect electronic databases, and Google Scholar (1 January 2011 to 30 November 2020). …”
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“…METHODS: PubMed, Science Direct, Web of Science, Scopus, Embase, Google Scholar, ProQuest, and other databases were searched for studies published before May 5, 2022. …”
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“…A literature search was performed in PubMed, ScienceDirect, Scopus, and SciELO using the following search strategy: Article type Original research, Language: English, Publishing period: 2010–2020, Search terms: Spatial analysis, spatial models, VBDs, climate, ecologic, life cycle, climate variability, vector-borne, vector, zoonoses, species distribution model, and niche model used in different combinations with “AND” and “OR.” …”
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“…METHODS: A systematic review of literature retrieved from four English databases (PubMed, Web of Science, Scopus, ScienceDirect) and one Chinese database (CNKI) were conducted to identify eligible studies published from inception to March 2022. …”
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“…METHODS: This systematic review and Meta-analysis study took “sarcopenia”, “kidney” and “tumor” and their synonyms as the main search terms, and comprehensively searched all relevant literatures published in PubMed, web of science, SpringerLink, EMBASE, Cochrane Library, Ovid (Lww oup), Wiley, ScienceDirect and Scopus databases since February 2, 2022. …”
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“…To identify published articles, all major databases such as PubMed/MEDLINE, WHOLIS, Cochrane Library, Embase, PsycINFO, ScienceDirect, Web of Science, and reference lists were used. …”
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