Start with an Ebsco Discovery search using relevant Keywords, e.g.
"clinical trial" research cancer cell
Use "quotation marks" for phrases when you want ALL the words to appear in the order you've indicated. This EXCLUDES all references to clinical and trial unless they are next to each other.
These are the results for the above search
After you have your results, click through the different items listed, looking for articles that are written by researchers describing their original research, not a review of someone else's research.
If there is a Publication Finder icon, it means the article is located in another database. Click on the icon to see if you can access the full text through the links provided.