The nature of your research question will help guide you in selecting resources. When searching the medical literature, it is recommended that you begin your search in Ovid Medline.
Commonly Used Databases
For the full list of health databases please see the A-Z List.
The Fourth International Conference on Grey Literature (GL '99) in Washington, DC, in October 1999 defined grey literature as follows:
"That which is produced on all levels of government, academics, business and industry in print and electronic formats, but which is not controlled by commercial publishers."
Please see the Finding Grey Literature LibGuide for more information.
Scan the table of contents of relevant journals
Note: use Web of Science Journal Citation Report to identify the top journals in a specified field
Scan the reference lists of relevant articles
Contact authors in the field to identify unpublished or ongoing research
Experts in the field can perhaps let you know if you identified all of the relevant literature
Consider using the "related articles" feature in databases such as Pubmed, Ovid, or Web of Science
Look for articles that cited an article of interest using the 'Cited by' feature in Web of Science and Google Scholar