Click on the citations you want and then click on "Send To" and click on "Citation Manager".
Next: Generate a file for use with external citation management software. Download 3 citations.
click on "Create File"
A file will be generated called: citations-1.nbin
Now what you need to do is go to Refworks
Then click on References
Then click on Import
Under this heading: Import Filter/Data Source
Click on NLM PubMed
Add the file citations.nbib
Click on Import
it should have been moved to your Last Imported folder
Then click on all the citations and click on Create Bibliography
Copy/paste this into your paper