Discovering rare diseases: Paroxysmal non kinesigenic dyskinesia

here is the link for some articles about this disease

the video is taken from Youtube only for scientifical purposes

http://archneur.jamanetwork.com/article.aspx?articleid=775082
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3002546/
http://hmg.oxfordjournals.org/content/18/6/1058.full.pdf+html