Short Summary Many researchers search PubMed to find articles on a topic, but few know how to visually map related research and identify gaps. In this post, I explore a real example using my paper on searching PubMed in radiology — and demonstrate how a tool like Connected Papers can help researchers refine or choose a research topic by finding related research or identifying research gaps or both! Why This Topic Matters When we publish, we often wonder: Who else has written something similar? Has the topic evolved? Is there a gap I can explore further?Traditional searching gives us a…