Some imported entries may be lacking the key metadata necessary for referencing that entry. Mendeley can help you to identify such references. To do so, click on the Needs Review folder in the My Library pane on the left. This will show a list of entries that Mendeley has identified as incomplete. Note, however, that this may not find every incorrect reference, so it is good practice to check reference details whenever you add new entries to your library.
To update and correct such references, follow the steps below:
As your library grows, you may acquire duplicate references. To identify which documents may possibly be duplicated, follow the steps below: