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     The races doping directoryCriterium de Blankenberge | 
     
      
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| Rider | Product | Race | Year | Penalization | Control | 
| Tackaert William | Cortisone | Criterium de Blankenberge | 1986 | Unknown | Positive control | 
| Verlinden Gery | Criterium de Blankenberge | 1986 | Yes | Positive control | 
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