Table 1 Time Sequence of Aminorex "positives" in North America, 2004-2009
From: Pemoline and tetramisole 'positives' in English racehorses following levamisole administration
State/Province | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | Total |
|---|---|---|---|---|---|---|---|
Ohio | 8 | 2 | 9 | 4 | 1 | 4 | 28 |
Pennsylvania | Â | 4 | 32 | Â | Â | Â | 36 |
Ontario | Â | Â | Â | 18 | Â | Â | 18 |
Totals | 8 | 6 | 41 | 22 | 1 | 4 | 82 |