The Ultimate Online Medical Reference

For decades the Merck manuals have been the mainstay of the medical professions. Many laymen also purchase copies of this medical treatise. Now the Merck Manual of Medical Information is available online. The best part of course is that it is provided free of charge by Merck and Company, Inc. as a public service. While it contains all the features of the printed version it includes impressive extras. It contains photographs and audio and video footage. It is also updated regularly in its online format.