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  • L Crabb
  • 2001
The quality of life of people with Parkinson's disease (PD) and their carers is often made worse by impaired sleep. Sleep problems are common in PD and there are several causative factors in their aetiology including the ageing process, anti-Parkinson's disease medication, the disease process itself, and concomitant factors such as nocturia, anxiety and(More)