When searching PubMed, there are two ways to save citations into your EndNote library. Before importing/exporting results, be sure you have the latest EndNote import filters for the databases you are searching installed on your computer.
Citation Manager option in PubMed
Exporting References from PubMed as a Plain Text File
If you cannot use the citation manager method above, use this instead.
The following video shows how to import citations directly from the PubMed database. Video does not have sound.