You can log in to PubMed with your RFUMS Gmail account. This will allow you to save your searches and any collections of search topics that you create. It will also allow you to look through your search history, which is helpful if you don't remember how you located a particular citation.
In June 2021, the National Library of Medicine began phasing out the use of MyNCBI accounts. If you have an old login, you can follow these directions to link your old data to your Gmail account.
If you do not currently have an account, you will need to create one by clicking the "Log In" option at the upper right of the page:
Scroll down past the login options and click on the text that reads "New here? Sign up"
Create an account using your RFUMS Google email