UpToDate is a point-of-care tool and provides evidence-based answers to commonly asked questions in clinical practice.
It contains clinical summaries, as well as calculators and a drug interaction tool.
You can search for the disease or condition of interest to see summaries. These summaries can help you fill in your background knowledge on the topic.
When viewing an item, you can use the hyperlinked citations to see the references on which the information is based, with quick links out to PubMed to view the original source.