I saw there are two sectors named 'publications' and 'pure publications' in some lab home pages. What is the difference?
If this is related to the Max Planck Institutes, it might be this: https://www.biochem.mpg.de/878470/pubman
PuRe is a repository. In that case, "PuRe Publication" is just a special form of publication. Your capitalization in the question doesn't give much of a hint, however.