Nearly all of Hardin's electronic databases and journals can be used by visitors on campus through a guest ID. 
In order to acquire a guest ID you must provide a government issued photo identification such as a passport or driver's license.

For more information or to request a guest ID visit the 3rd floor reference desk.

• PubMed — free access to MEDLINE, the premier biomedical literature database.
• MedlinePlus — authoritative information from NLM, the National Institutes of Health (NIH), and other government agencies and health-related organizations. It also includes extensive information about drugs, an illustrated medical encyclopedia, interactive patient tutorials, and the latest health news.
• CancerNet — gateway to peer-reviewed information by cancer type. Includes links to PDQ (Physician Data Query), SEER (Surveillance, Epidemiology, and End Results) and other specialized information resources. Also available in Spanish.
• NLM Gateway — allows users of NLM services to initiate searches from one Web interface, providing "one-stop searching" for many of NLM's information resources or databases. Resources include MEDLINE, TOXLINE, ClinicalTrials.gov, and MedlinePlus.
• National Guideline Clearinghouse — a public resource for evidence-based clinical practice guidelines.
• Science.gov -- Science.gov searches over 38 databases and 1,950 selected websites of US government information. You can also explore websites by topics such as disease, mental health, and health care.

• BioMed Central — an independent publishing house committed to providing immediate free access to peer-reviewed biomedical research.
• DOAJ (Directory of Open Access Journals)—this service covers free, full text, quality controlled scientific and scholarly journals.
• Free Medical Journals — is dedicated to the promotion of free access to medical journals over the Internet.
• Highwire Press — more than 1.3 million free, full-text articles online.
• Public Library of Science — a nonprofit scientific publishing venture that will provide high-quality, high-profile journal articles.
• PubMed Central— a digital archive of life sciences journal literature managed by the U.S. National Center for Biotechnology Information at the National Library of Medicine.

• Merck Manuals — a series of healthcare books for medical professionals and consumers. Texts are available in English as well as other languages.
• Freebooks4Doctors — links to more than 500 full-text medical books online.
• NCBI Bookshelf — a growing collection of online, searchable biomedical textbooks.