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##Additional reference sources  The Tourette Association posts links to selected scientific articles relevant to TS on its web page at regular intervals \cite{TA_links}. One of the authors provides a link at PubMed.gov to an occasionally updated list of selected publications on TS \cite{NCBI_TShighlights}.  ###Other sources to review (work in progress)  * references from F1000 workbench  * London meeting, summer 2015  * [Curr Devel Disord Rep special issue](http://link.springer.com/journal/40474/topicalCollection/AC_201b22404b6bf194b90bbc19462a5d9f/page/1)  * References from [F1000 Workspace](http://f1000.com/work/)  * Selected presentations from the [1st World Congress on Tourette Syndrome & Tic Disorders](http://touretteworldcongress.org/), London, 24-26 June 2015.