Open Sources

OPEN EDUCATIONAL RESOURCES
UNESCO: Open Educational Resources are teaching, learning or scientific resources that are in the public domain or are licensed for free use or reprocessing. Wikipedia: Open Educational Resources (OER) —digital material that can be reused for teaching, learning, research, and the like, made available through open source licenses, and that allows users of the material that would not simply be permitted by copyright.

Useful links to Open Educational Resources:

MedPix ® is a free, open-source, online database of medical images, teaching materials and clinical topics that integrates images and text metadata, including more than 12,000 patient scenarios, 9,000 topics, and almost 59,000 images. The main target audience includes physicians, nurses, allied healthcare professionals, medical students, nursing students and others interested in medical knowledge.
OpenMD.com is a search engine providing high quality medical information. The OpenMD system covers billions of documents from government agencies, large healthcare organizations, medical journals and reference sites.
medRxiv (pronounced "honey archive") is a free online archiving and distribution server for complete but unpublished manuscripts (preprints) in the medical, clinical and allied health sciences. Preprints are preliminary work reports that have not been validated by peer review.
PubMed Central® (PMC) is a free full-text archive of biomedical and natural sciences literature from the National Library of Medicine of the US National Institutes of Health (NIH / NLM). In keeping with the NLM's legislative mandate to collect and preserve biomedical literature, the PMC serves as a digital counterpart to NLM's extensive collection of print journals. PMC was developed and operated by the NLM National Center for Biotechnology Information (NCBI). Contains over 5 million full-text entries covering several centuries of biomedical and biological research (from the late 1700s to the present day).
The New England Journal of Medicine (NEJM) is the world's leading medical journal and website. NEJM has been published for over 200 years and provides high-quality, peer-reviewed research and interactive clinical content for clinicians, educators, and the entire medical community. NEJM's mission is to provide clinicians with the best research and information at the intersection of biomedical science and clinical practice, and to present this information in understandable and clinically useful formats that inform health care delivery and improve patient outcomes.
SAGE Open Medicine is an open access peer-reviewed journal that focuses on all aspects of medicine and welcomes original research and review articles from all areas of healthcare in the broadest sense. The journal is indexed in Pubmed Central and ESCI.
Open-i provides access to images from PubMed Central® articles, chest x-rays with radiology reports, and orthopedic illustrations
DOAJ (Directory of Open Access Journals) was launched in 2003 at Lund University, Sweden, with 300 open access journals. Today, the independent database contains about 12,000 open access journals covering all fields of science, technology, medicine, social sciences and humanities.
PQDT Open - Free open access full text of dissertations and abstracts.