PubMed is a free literature database that contains more than 38 million references to biomedical and life sciences literature. The primary component of PubMed is MEDLINE, which is produced by the National Library of Medicine in the U.S. and contains more than 31 million references from over 5,200 scholarly journals published around the world. In addition to MEDLINE content, PubMed includes citations that are being processed for MEDLINE, citations that are out-of-scope from MEDLINE journals, "ahead of print" citations that precede the article's final publication in a MEDLINE journal, and more. Mobile access is available for PubMed.
The same content in PubMed can also be searched in Ovid MEDLINE .
VisualDx is a diagnostic clinical decision support system designed to enhance diagnostic accuracy, aid therapeutic decisions, and improve patient safety. With a strong dermatology component, this application can help quickly build a differential to evaluate the possibilities, compare variations, and improve diagnostic accuracy. Its vast medical image library includes many skin types, and pigments effectively providing access to clinical information and images at the point of care, on any device - mobile, tablet, or desktop. Images may be used in course management systems.