Incidents
Freuler positive 02/12/1990 Positive test ID 1062
Freuler tested positive for an unnamed substance during the 1990 Six Days of Zurich.
Teams and people
Products
Sources
- Peter Post: 'Ik weet nergens van' Urs Freuler op doping betrapt, Limburgsch Dagblad, 03/12/1990