Sentence examples for articles were used for from inspiring English sources
Non-empirical articles were used for the literature review section while empirical articles were used for the empirical review section.
The 252 annotated articles were used for evaluating new user interfaces reported in this study (described in more detail in user interface subsections below).
Ten expert opinion articles were used for discussion.
References of identified articles were used for additional citations.
Electronic databases, including PubMed, EMBASE and references from identified articles were used for a literature search.
Search was limited years 2000 2012; and review articles were used for the period preceding year 2000.
In this experiment, 140 articles are used for this evaluation.
To provide data on the quality of the published items, the citation information of the articles was used for the articles that were identified in the previous step.
Selection of articles for curation (phase A) is based on abstracts only; full-text articles are used for curation (phase B).
Our data does not provide information about what proportion of full-text articles is used for a student's research activities and what proportion is for study.
A checklist including items related to the research questions and quality of the articles was used for data extraction and quality assessment.
