%0 Journal Article %A Sean S O’Sullivan %A Andrew H Evans %A Andrew J Lees %T Punding in Parkinson’s disease %D 2007 %R 10.1136/jnnp.2007.129015 %J Practical Neurology %P 397-399 %V 7 %N 6 %U https://pn.bmj.com/content/practneurol/7/6/397.full.pdf