%0 Journal Article %T Pemoline and tetramisole 'positives' in English racehorses following levamisole administration %A J Gutierrez %A RL Eisenberg %A NJ Koval %A ER Armstrong %A J Tharappel %A CG Hughes %A T Tobin %J Irish Veterinary Journal %D 2010 %I BioMed Central %R 10.1186/2046-0481-63-8-498 %U http://www.irishvetjournal.org/content/63/8/498/abstract