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You can see this information on the "View History" page (http://en.wikipedia.org/w/index.php?title=Ketamine&action=history). It was deleted by Edgar181, stating that you might have included information not reliable. If you find this information on a reliable source (such as a cientific magazine), please post it again and reference your finding on the "References" part of the article.

T scholem (talk) 12:10, 9 December 2012 (UTC)Reply