“…A comprehensive search was performed in various databases, such as PubMed, Scopus, SciELO, MedRxiv, and Web of Science, to find all relevant studies published before 10 February 2021. …”
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“…For the development of these guidelines, we conducted a systematic review of the MEDLINE (via PubMed), Cochrane Database of Systematic Reviews, Web of Science, and SciELO databases for research published from 1997 to 2020. …”
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“…METHODS: A 2019 systematic review was updated with searches conducted in Medline, the Web of Science(TM) (WoS(TM)) Core Collection and the South African SciELO collection via the WoS(TM) Platform. Additional searches in Sabinet’s African Journals database and on instrument developers’ webpages were performed. …”
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“…Between March and April 2021, a bibliographic search was carried out in the Cuiden, LILACS, PubMed, Dialnet, SciELO, Trip Database, and Web of Science databases and metasearch engines. …”
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“…Methods: We searched six databases: MEDLINE, LILACS, Scopus, Web of Science, Embase and SciELO, and identified 49 articles that met our inclusion criteria. …”
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“…The MEDLINE, Scopus, Cochrane Library, Embase, Web of Science, and SciELO databases were searched for clinical studies conducted in humans investigating periodontal diseases and miRNAs. …”
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“…Six databases were used as primary research sources (PubMed, Scopus, LILACS, SciELO, Web of Science, and Embase). Three databases (OpenGrey, OpenThesis, and OATD) were used to detect the “grey literature”. …”
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“…Data Synthesis  A systematic literature review was performed by searching the PubMed (Medline), Scopus, Web of Science, LILACS, and SciELO electronic databases, in a search of articles that fullfiled the predefined inclusion and exclusion criteria. …”
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“…Electronic and manual searches were performed using the PubMed, SciELO, Cochrane, ScienceDirect, Web of Science, and EBSCO databases. …”
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“…Methods: This review was conducted by searching PubMed, PubMed Central, Google Scholar, the Scopus database, the Web of Science Core Collection database, and the SciELO citation index, from 1989–2021. An example of a search strategy used in PubMed Central is: “Virtual reality” [All Fields] AND (“neurosurgical procedures” [MeSH Terms] OR (“neurosurgical” [All Fields] AND “procedures” [All Fields]) OR “neurosurgical procedures” [All Fields] OR “neurosurgery” [All Fields] OR “neurosurgery” [MeSH Terms]). …”
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“…METHODS: A longitudinal qualitative content analysis was conducted to analyse the comments and quotations made on a daily diary lasting seven days by physicians, nurses, radiology technicians, and healthcare assistants during the first wave of the COVID-19 outbreak. According to Elo and Kyngäs recommendation, the data analysis process was developed in three main phases: preparation, organising, and reporting. …”
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“…We conducted searches in the Scopus, SciELO, PubMed, Web of Science, Science Direct, and Google Scholar databases. …”
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“…METHODS: Narrative review of current literature based on electronic databases including MEDLINE (PubMed), Cochrane Library, and SciELO. RESULTS: Bariatric endoscopy is in constant development and comprises primary and revisional treatment options as well as management of surgical complications. …”
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“…METHODS: Between August 22 and September 9, 2020, we searched the following seven electronic databases: PubMed, EMBASE, Web of Science, Cochrane Library, SciELO, LILACS, and Scopus. No restrictions were applied regarding the language and year of publication. …”
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“…METHODS: We systematically searched MEDLINE, PsycINFO, Web of Science, SciELO and Scopus. Random effects models were used to compute pooled effect sizes estimates (r). …”
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“…So, we carried out a systematic review using databases such as PubMed, ScienceDirect, SciELO, and MEDLINE, including keywords such as “vaccines,” “COVID-19,” and “SARS-CoV-2”. …”
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“…METHOD: This work is a systematic review where an electronic search was performed on PubMed, ScienceDirect, Cochrane Library and SciELO (Scientific Electronic Library Online) databases, covering the last 10 years, using “Essential oil” and “Neuroprotective effect” as reference terms. …”
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“…DATA SOURCE: We selected articles from the databases Medical Literature Analysis and Retrieval System Online (MEDLINE), through PubMed, National Library of Medicine and The National Institutes of Health (NIH), Scientific Electronic Library Online (SciELO) and Virtual Health Library (VHL). The following descriptors were used for the search: “Child”, “Adolescent”, “Nutritional Assessment”, “Growth Chart”, “Ethnic Groups”, “Stature by age”, “Body Mass Index”, “Comparison”, “CDC”, “WHO”, and “IOTF”. …”
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“…The searches were conducted on the bases de dados MEDLINE (via PubMed), Cochrane Library, Scopus (Elsevier), Web of Science, Taylor & Francis, Embase, LILACS and SciELO databases. The study included articles published from March 2020 until the time of data collection, which occurred on April 20(th), 2021. …”
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“…Out of 1695 articles available on PubMed, Science Direct, Cochrane and SciELO, eight articles were selected for this systematic literature review. …”
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