Hi @youbi449, is it possible that you have the web_search tool enabled? I just fixed this (Copilot does not support it yet) and the fix will be out in the next Copilot Chat pre-release. If that's not ...

Grussu et al. use co-localised MRI and histology data to design a practical MRI technique for cell size and density measurement in liver tumours in vivo. The method provides non-invasive proxies of ...