%0 Journal Article %A Roger Barker %T Age-Related Dopamine-Dependent Disorders %D 1995 %R 10.1136/jnnp.59.3.344 %J Journal of Neurology, Neurosurgery & Psychiatry %P 344-344 %V 59 %N 3 %U https://jnnp.bmj.com/content/jnnp/59/3/344.1.full.pdf