Non-motor fluctuations in Parkinson's disease: Prevalence, characteristics and management in a large cohort of parkinsonian outpatients

Depression in Parkinson's disease: loss of dopamine and noradrenaline innervation in the limbic system

Philippe Rémy, M Doder, Andrew J. Lees et al. · Brain · 2005 · 1K citations · Full text

Neurotransmitter, Psychopharmacology, High Frequency +23

Nonmotor fluctuations in Parkinson’s disease

Tatiana Witjas, Elsa Kaphan, J.-P. Azulay et al. · Neurology · 2002 · 624 citations

Nonmotor fluctuations in Parkinson disease

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Subthalamic stimulation in Parkinson’s disease: restoring the balance of motivated behaviours

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Identification of motor and nonmotor wearing‐off in Parkinson's disease: Comparison of a patient questionnaire versus a clinician assessment

Mark Stacy, A Bowron, Mark Guttman et al. · Movement Disorders · 2005 · 238 citations · Full text