Most DU Libraries resources accessed from off campus require you to use your DU username & password.
If you try to access an article that asks you for a username and password other than your DU log in (or that asks you to pay for an article), you might be visiting a publisher's website without first going through the DU Libraries. If you have a specific article you wish to access in full-text, visit the guide to finding a specific article.
Some library databases offer free personal accounts in order to save search strategies, articles, or books. These accounts require a unique login and password but are separate from your DU log in.