Use the asterisk (*) to search word roots and alternate spellings:
Root word example: transplant* retrieves transplant, transplants, or transplantation.
Alternate spelling example: encyclop*dia will retrieve the British spelling encyclopædia and encyclopaedia.
2. Limit your search
Narrow your search to a lower number of more precise results by selecting options such as Document Types (e.g., Article, Meeting Abstract, etc.), Funding Agencies, Language, etc. from the options available in the left column next to the Search Results.
Click on your search query at the top of the webpage to edit your search and combine searches.
Edit in the window that pops up or
Click Advanced Search to combine your searches from your search history. To do so, you may enter the search numbers in the Query Preview box or you may check the boxes next to the searches you wish to combine and click Combine Sets to combine with the Boolean operators AND or OR.
E.g., 1 AND 2 tells the database that at least one term from your first search and from your second search must be in every retrieved result.
E.g., 1 OR 2 tells the database that a keyword from any of your searches must be in every retrieved result.
Discover preprints for key research articles ahead of the formal publication in a journal from a range of international selected and evaluated preprint repositories in the sciences, social sciences, and arts & humanities.
"Enables researchers to seamlessly uncover early career, post-graduate research in the form of more than 5.5 million dissertations and theses from over 4,100 institutions from more than 60 countries, alongside journal articles, conference proceedings, research data, books, preprints and patents." (Source)
Provides access to articles from multidisciplinary journals covered in KCI. KCI is managed by the National Research Foundation of Korea and contains bibliographic information for scholarly literature published in Korea. Search in Korean or English.
Provides scholarly literature in sciences, social sciences, and arts & humanities published in leading open access journals from Latin America, Portugal, Spain, and South Africa. Search in Spanish, Portuguese, or English.