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PubMed Commons is a new system that enables researchers to share their opinions about scientific publications indexed in the PubMed database. Participation in PubMed Commons requires users with My NCBI accounts to join before they can view or add comments. A new NCBI Insights Blog post describes how to join PubMed Commons.
For more information, please see:
PubMed Commons Homepage
"Joining PubMed Commons: A Step-by-step Guide"
