Incidents
Koob positive 08/09/2002 Positive test ID 147
Koob returned a positive after Stage 5 of the 2002 Hessen Rundfahrt.
Teams and people
Products
Sources
- Doping suspensions, Daily Peloton, 21/11/2002
- UCI anti-doping news, Cyclingnews.com, 18/04/2003