“…METHODS AND ANALYSIS: A systematic literature search will be performed using the EMBASE, MEDLINE, and Cochrane databases to identify relevant articles published in any language. Randomized clinical trials, case series, and case reports of PD-1 and PD-L1 inhibitors in the treatment of nonsmall cell lung cancer will be included. …”
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“…As our dataset, we used all articles published in 2000 and their annual citation scores until 2015. …”
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“…The primary research articles published in peer-reviewed journals and grey articles addressing our question will be included. …”
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“…EVIDENCE ACQUISITION: A literature review was performed using PubMed for all English language articles published between 1999 and 2016. RESULTS: The kisspeptin system (KISS1/G protein-coupled receptor-54,GPR54) has recently been addressed as an essential gatekeeper of puberty onset and gonadotropin secretion. …”
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“…METHODS: A scoping review was performed on articles published between 1985 and July 2016, retrieved through a comprehensive search of the Scopus and CINAHL databases, following the methodological framework developed by Arksey and O’Malley (2005), and completed by Levac et al. (2010). …”
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“…METHODS: A systematic literature review was conducted using EMBASE, Medline, and PubMed databases to detect relevant English language articles. Published studies with full-text articles were included. …”
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“…DATA SOURCES: We retrieved the articles published in English from the PubMed database up to January 2017, using the keywords including “Autoimmune-associated”, “Autoimmune-mediated”, and “Congenital heart block”. …”
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“…MATERIALS AND METHODS: The search was conducted on articles published in Web of science, PubMed, Scopus, Academic search Premier, and Cochrane Library between 1990 and August 2017. …”
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“…Two authors separately extracted data from all the articles selected. RESULTS: 27 articles published between 1989 and 2017 were included with an overall enrollment of 836 patients. …”
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“…METHODS: This review was written by referring to research literature including 32 articles published from 200 to 2015 on PubMed, Google Scholar, and Scopus databases. …”
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“…We separately searched for articles published in the Journal of the European Association for Health Information and Libraries, Evidence Based Library and Information Practice, the Journal of the Canadian Heath Libraries Association, and Hypothesis. …”
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“…The search has been carried out in the databases PubMed, LILACS and Web of Science, without restriction of dates and languages; however we have included only articles published in Portuguese, English, and Spanish. …”
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“…Data Synthesis  Our research covered articles published from January 1980 to August 2014 in the following databases: MEDLINE (accessed through PubMed), LILACS, Cochrane Library, and SciELO. …”
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“…Wanfang and CNKI databases). Articles published before November 2016were eligible to the study. …”
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“…Within the time frame from 1 January 2000 to 31 December 2016, limited to articles published in English, we identified output using search strategies based upon Scopus/Elsevier and WoS, patent filings and NIH Federal Reports of funded grants. …”
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“…A review and summary of previous HNTB articles published in PubMed since 1885 was also performed. …”
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“…We evaluated original research articles published in the NEJM in 2000 up until June 2001. …”
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“…By searching the PubMed database (Pubmed.com), we used the keyword of [Taiwan] and [National Health Insurance Research Database], then downloaded 2913 articles published from 1995 to 2017. Social network analysis (SNA), Gini coefficient, and Google Maps were applied to gather these data for visualizing: the most productive author; the pattern of coauthor collaboration teams; and the author's research domain denoted by abstract keywords and Pubmed MESH (medical subject heading) terms. …”
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“…METHODS: A systematic literature search will be performed through January 2018 using MEDLINE, EMBASE, the Cochrane Central Register of Controlled Trials, and Google Scholar for relevant articles published in any language. Randomized controlled trials, prospective cohort studies, and propensity-matched comparative studies will be included. …”
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“…MATERIALS AND METHODS: Thirty-six original articles published in the Journal in 2015 and 2016 were ascertained. …”
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