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Doping? UCI 1991 onwards? Come on, Wikipedia. —Preceding unsigned comment added by 81.166.231.161 ( talk) 23:48, 27 May 2010 (UTC) reply

I've added a number of citation needed tags to the controversy section. Some of the claims tagged may be covered by existing references, but this is not clear and it is very important a section such as this is well cited so an explicit reference should be provided. Thryduulf ( talk) 07:39, 15 June 2017 (UTC) reply