^"Final report"(PDF). CIAIAC (Spanish Investigation Commission). Archived from the original(PDF) on 1 June 2012. Retrieved 17 July 2009.
^Mayer MA, Leis A, Ruíz P. Creating a virtual community to improve the quality of health information on the Internet: ten years of experience. Proceedings of the 16th WONCA Europe Conference, Malaga (Spain) 6–9 October 2010, p. 62-3.