“…METHODS: PubMed, Google Scholar, Science Direct, and Cochrane Library databases were systematically searched. …”
Enlace del recurso
Enlace del recurso
Enlace del recurso

“…METHODS: PubMed, Google Scholar, Science Direct and Cochrane Library were systematically searched for relevant articles published between 2001 and 2020. …”
Enlace del recurso
Enlace del recurso
Enlace del recurso

“…METHOD: We systematically searched the databases: PubMed/MEDLINE, Google Scholar, and Science Direct for studies conducted in Ethiopia on the availability of adequately iodized salt at the household level since 2013. …”
Enlace del recurso
Enlace del recurso
Enlace del recurso

“…METHODS: A rapid scoping review of empirical and grey literature was done using data sources such as ScienceDirect, GoogleScholar, PubMed, HINARI and official websites of World Health Organization and Africa Centres for Disease Control and Prevention. …”
Enlace del recurso
Enlace del recurso
Enlace del recurso

“…METHODS: The literature was obtained using Google Scholar, Pubmed, and Science Direct search engine. The keywords used were “ADHD”, “gut microbiota”, “stool”, “gut”, and “microbiota”. …”
Enlace del recurso
Enlace del recurso
Enlace del recurso

“…METHODS: A comprehensive literature search was conducted using the databases of PubMed, Science Direct, Web of Science, and Embase. Randomized controlled trials and cohort studies, published up to Sep. 2020, with maxillary protraction and/or expansion as keywords were included in this meta-analysis. …”
Enlace del recurso
Enlace del recurso
Enlace del recurso

“…METHODOLOGY: Following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines, a systematic computer-aided literature review was carried out using PubMed, ScienceDirect, and the World Health Organization Database in November 2019, which was updated in March 2020. …”
Enlace del recurso
Enlace del recurso
Enlace del recurso

“…Records were retrieved from PubMed, Web of Science, and ScienceDirect from 2011 to 2020. Eight afatinib RCTs were included and assessed for the risk of bias. …”
Enlace del recurso
Enlace del recurso
Enlace del recurso

“…METHODS: Medline via PubMed, CINAHL, ScienceDirect, Ovid, Google Scholar, ResearchGate and African Journals Online were searched by limiting publication period from January 2005 to October 2020. …”
Enlace del recurso
Enlace del recurso
Enlace del recurso

“…Relevant published studies were searched in international databases (PubMed, Science Direct, Scopus, Web of Science, and Google Scholar), from their inception until May 31, 2020. …”
Enlace del recurso
Enlace del recurso
Enlace del recurso

“…METHODS: In this systematic review and meta-analysis, to identify and select relevant studies, the SID, MagIran, ScienceDirect, Embase, Scopus, PubMed, Web of Science, and Google Scholar databases were searched, using the keywords of internal iliac artery balloon, placenta, previa, balloon, accreta, increta and percreta, without a lower time limit and until 2020. …”
Enlace del recurso
Enlace del recurso
Enlace del recurso

“…METHODS: We extracted randomized controlled trials examining pharmacologic or nonpharmacologic interventions with placebo- or active-controlled designs from PubMed, the Cochrane Library and ScienceDirect, from inception to October 30, 2018. We based study selection and extraction of a pre-defined list of variables on the Preferred Reporting Items for Systematic Review and Meta-Analyses (PRISMA) guidelines, and conducted meta-analysis procedures using random effects modelling. …”
Enlace del recurso
Enlace del recurso
Enlace del recurso

“…METHODS: We performed a literature search of these meta-analyses in PubMed, the Cochrane Library, Web of Science and ScienceDirect in November 2019. We also reviewed references of eligible studies to complement the search. …”
Enlace del recurso
Enlace del recurso
Enlace del recurso

“…METHODS: A systematic search of electronic databases of PubMed, Scopus, Virtual Health Library, ScienceDirect, Wiley Online Library, Web of Science, ProQuest Dissertation and Theses Global and Google Scholar was conducted. …”
Enlace del recurso
Enlace del recurso
Enlace del recurso

“…The databases for studies in English are PubMed, PsychINFO, Embase, CINAHL Plus, Popline, Web of Science and Cochrane Library; for studies in French, the databases will be DialNet, Directory of Open Access Journals, Science Direct and Biblioteca CCG-IBT database; in Spanish, DialNet, La Biblioteca Científica Electrónica en Línea, Red Iberoamericana de Innovación y Conocimiento Científico and Jstor and in Portuguese, Coordenação de Aperfeiçoamento de Pessoal de Nível Superior, Biblioteca Virtual em Saúde, Biblioteca Científica Eletrônica On-line and Biblioteca Digital Brasileira de Teses e Dissertações. …”
Enlace del recurso
Enlace del recurso
Enlace del recurso

“…METHODS AND MATERIALS: Information was searched by using the search terms “ethnomedicinal Cannabis sativa and Bangladesh”; “Bangladesh cannabaceae and ethnomedicinal survey”; “ganja, bhang and folk medicine Bangladesh”; “tetrahydrocannabinol (THC), cannabinoid and therapeutic, clinical trial”; and “cannabis and pharmacological/biological” and retrieved from ethnobotanical articles available on PubMed, Scopus, Science Direct, and Google Scholar databases. A search of the relevant scientific literature also was conducted to assess the efficacy of the ethnomedicinal usage of Cannabis sativa. …”
Enlace del recurso
Enlace del recurso
Enlace del recurso

“…Peer-reviewed articles were searched from PubMed, HINARI, Web of Science, Science Direct and advanced Google search engines. The review included articles published in English from 1900 to 2018. …”
Enlace del recurso
Enlace del recurso
Enlace del recurso

“…METHODS: Pubmed, Medline, Web of Science, ScienceDirect, Ovid, Embase, Cochrane Library, Scopus, Vip (China), Cnki (China), Wanfang (China), and CBM (China) databases and literature from conferences were searched for studies of apatinib for the treatment of bone and soft tissue sarcomas, published from the inception of each database to Sep 1, 2020, without language restrictions. …”
Enlace del recurso
Enlace del recurso
Enlace del recurso

“…METHODS: Using the computer to retrieve the PubMed, ScienceDirect, Web of Science, Embase, Cochrane Library, CNKI, VIP, WANFANG Database, and CBM. …”
Enlace del recurso
Enlace del recurso
Enlace del recurso

“…Criteria for eligibility were all published population-based primary literature in PubMed interface and the Science Direct, dealing with incubation period of COVID-19, written in English, since December 2019 to December 2020. …”
Enlace del recurso
Enlace del recurso
Enlace del recurso