<unk>  was a medical wiki and online medical wiki encyclopedia, created in November 2005 by a group of doctors and medical students working in the United Kingdom. The site has been the subject of academic exposition into emerging methods of disseminating medical information and more specifically, the restricting of editors within an open collaborative wiki environment. This model has subsequently been copied by other medical wikis, but some attempts to improve on the model, such as Medpedia have failed. In 2010, Paula Younger noted it as a laudable attempt to make medical information freely accessible and authoritative. The Wiki went offline early in 2019.
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