About
- Open Access (OA) resources are free, available research articles.
- Open Access ensures that anyone can access and use these resources.
- Discover more about these OA resources.

What is Open Access?
Open Access (OA) is defined by as "Free, online availability of research articles."
In the scholarly publishing environment, there are 3 types of open access. They are:
- Green OA (self-archiving):
- Authors are granted archival right for articles published in subscription journals.
- is the institutional repository of record for ÐÇ¿ÕÓéÀÖ¹ÙÍø authors.
- Authors are granted archival right for articles published in subscription journals.

- Gold OA:
- Articles are published in open access journals.
- Costs associated with publishing are passed on to authors with or off-set by institutional or governmental support.
- Articles are published in open access journals.

- Hybrid OA:
- Normally authors can elect to publish their articles as Open Access.
- Processing charges may occur.
- Many authors choose this model to increase availability of their research.
- Normally authors can elect to publish their articles as Open Access.
Resources
Articles and eBooks
- An overview to open access academic resources and .
- An overview to open access academic resources and .
- An index of open access journals from around the world.
- An index of open access journals from around the world.
Open access scholarly publications
Preprints
These articles have not yet been peer-reviewed. All articles available via preprint services are available at no cost.
Practice guidelines
Clinical and community-based practice guidelines summarize evidence on best practices.
ÐÇ¿ÕÓéÀÖ¹ÙÍø clinical and community-based practice guidelines:
- ÐÇ¿ÕÓéÀÖ¹ÙÍø Advisory Committee on Immunization Practices Recommendations
- ÐÇ¿ÕÓéÀÖ¹ÙÍø Morbidity and Mortality Weekly Report Recommendations and Reports
Other clinical practice guidelines:
- (UK evidence-based recommendations site)
- Clinical practice guideline repository (registration required)
- Clinical practice guideline repository (registration required)
Other community-based practice guidelines: