Diepgen, 1998. Eysenbach G., Diepgen T.Towards quality management of medical information on the internet: evaluation, labelling, and filtering of information(англ.).— 1998.— Vol. 317, iss. 7171.— doi:10.1136/bmj.317.7171.1496.
Eysenbach, 2005. Eysenbach G., Trudel M.Going, Going, Still There: Using the WebCite Service to Permanently Archive Cited Web Pages(англ.)// J Med Internet Res.— 2005.— Vol. 7, iss. 5.— doi:10.2196/jmir.7.5.e60.