free online archive for unpublished preprints in the life sciences -- biology, bioinformatics, genetics, neuroscience, pathology, physiology, pharmacology, zoology and more
A unique, free, information resource for biomedical and health researchers. Results sorted by Reviews, Biological Patents, Randomized Controlled Trials, All Clinical Trials, Full text articles. Also provides Cited By information.
"More than 25 million citations for biomedical literature from MEDLINE, life science journals, and online books. Citations may include links to full-text content."