Google Scholar is a quick way to search the scholarly literature, but beware of articles that don't have the full text for free! If you find something perfect, you can always search the library databases to see if we have it for you.
"PubMed comprises more than 20 million citations for biomedical literature from MEDLINE, life science journals, and online books. Citations may include links to full-text content from PubMed Central and publisher web sites."