Tiagabine increases cocaine-free urines in cocaine-dependent methadone-treated patients: results of a randomized pilot study.
Gonzalez G, Sevarino K, Sofuoglu M, Poling J, Oliveto A, Gonsai K, George TP, Kosten TR. Tiagabine increases cocaine-free urines in cocaine-dependent methadone-treated patients: results of a randomized pilot study. Addiction. 2003 Nov; 98(11):1625-32.