Fig. 4From: Gabapentin, a human therapeutic medication and an environmental substance transferring at trace levels to horses: a case reportTukey Outlier Analysis based on the Ohio Department of Agriculture data showing the outlier fences to be 2,282.5 pg/ml (2.3nanograms/ml) for moderate outliers and 3,381.25 pg/ml (3.4 ng/ml) for extreme outliersBack to article page