First used in 1967, the drug levodopa has rescued many patients with Parkinson’s disease from silence, rigidity and tremor. Parkinson’s disease is called an extrapyramidal disorder. It results from damage to black brain cells aggregated beside the pyramid-shaped tracts of motor nerves. Stephen Leeder, 26 February 2004
- Stephen R Leeder AO
- Australian Health Policy Institute, University of Sydney, Sydney, NSW, Australia.
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