deletions | additions       diff --git a/Treatment.md b/Treatment.md  index f93b8ee..5d99a0c 100644  --- a/Treatment.md  +++ b/Treatment.md 
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| **Title** | **Comment** |  |:----------|:------------|  |  \citep{Cohen_2015} | A meta-analysis of 22 studies involving 2,385 children found no causal relationship between stimulants and tic onset, but did demonstrate the high rate of new onset or worsening tics associated with ADHD itself (5.7% in the psychostimulant groups and 6.5% in the placebo groups). | | [vigabatrin RCT](http://ir.catalystpharma.com/releasedetail.cfm?ReleaseID=919254) | An early report of results using medication from the GABA-aminotransferase inhibitor class. Four patients with treatment-refractory TS were studied. One patient had a clinically significant reduction in tics while two others had tic reduction of approximately 25% although they did not report subjective clinical improvement. |  ### Neurosurgery