Over 28 million citations for biomedical literature from MEDLINE, life science journals, and ebooks that may link to full text content. Some articles, journals, and books are Open Access.
The EBM Pyramid displays the hierarchy of levels of evidence based on the type of resource you are using. As you go up the EBM Pyramid, the level of evidence becomes stronger. See the EBM Pyramid below.
Or see this guide which includes the EBP Pyramid as well as a list of resources to help you find information types for each level of the EBP Pyramid.