Instead of sonography, search the term, ultrasonography, along with one or more keywords that describe your specific topic.
Scholarly articles and other online sources that you find when searching PRIMO actually come from separate databases. You can acess the Databases A-Z individually as shown in Step 3 on the Home page of this guide.
For your convenience, below are some databases recommended especially for you, which you can access right here:
These databases were selected for you from HCC Libraries databases for Health Sciences.
Many of the sources you access are scholarly articles. These are articles written by academics and highly-credenctialed practitioners, and are reviewed before publication by other experts. This is why these types of articles are called "peer-reviewed". The diagram below is a guided tour of the typical scholarly article.
Demonstrations of library searches and more help are on the Tutorials page.