title: Re-Emergent Tremor of Parkinson's Disease Masquerading as Essential Tremor.
abstract: BACKGROUND
  The re-emergent tremor of Parkinson's disease (PD) is generally recognized as a postural tremor.
  A PD patient with a re-emergent tremor occurring during a task (spiral drawing), which on the surface produced a tremor that resembled that of essential tremor (ET).
  Researchers and clinicians should be aware of features of this re-emergent tremor to help distinguish it from that of ET.
authors.affiliation: Department of Neurology, Yale School of Medicine, Yale University, New Haven, CT, USA.
authors.forename: Sarah
authors.initials: S
authors.lastname: Morgan
authors.affiliation: Department of Neurology, Yale School of Medicine, Yale University, New Haven, CT, USA; Department of Chronic Disease Epidemiology, Yale School of Public Health, Yale University, New Haven, CT, USA; Center for Neuroepidemiology and Clinical Neurological Research, Yale School of Medicine, Yale University, New Haven, CT, USA.
authors.forename: Elan D
authors.initials: ED
authors.lastname: Louis
keywords: Essential tremor; Parkinson’s disease; clinical; diagnosis; screening