eMedicine is an online clinical medical knowledge base founded in 1996 by Dr. Scott Plantz, with Julie Bohlen, Vern Powers, Jonathan Adler and computer engineers Joanne Berezin and Jeffrey Berezin. The eMedicine website consists of approximately 6,800 medical topic review articles, each of which is associated with a clinical subspecialty "textbook". The knowledge base includes over 25,000 clinically multimedia files.