Giesberts positive 04/09/1988 Positive test ID 1051
Giesberts tested positive for unnamed stimulants after finishing fourth in the 1988 Grote Prijs Eddy Merckx. He was fined CHF1,000, given a month's conditional suspension and two years' probation.
Teams and people
- Giesberts nam doping in GP Merckx, Limburgsch Dagblad, 08/10/1988