Combined assessment of midbrain hyperechogenicity, hyposmia and motor asymmetry improves diagnostic accuracy in early Parkinson’s disease

Value of combined midbrain sonography, olfactory and motor function assessment in the differential diagnosis of early Parkinson's disease

(2012) Knut Busse et al.   JOURNAL OF NEUROLOGY NEUROSURGERY AND PSYCHIATRY

Impaired olfaction and other prodromal features in the Parkinson At-Risk Syndrome study

(2012) Andrew Siderowf et al.   MOVEMENT DISORDERS

Toward a redefinition of Parkinson's disease

(2012) Matthew B. Stern et al.   MOVEMENT DISORDERS

Enlarged Substantia Nigra Hyperechogenicity and Risk for Parkinson Disease

(2011) Daniela Berg   ARCHIVES OF NEUROLOGY

Factors influencing the symmetry of Parkinson's disease symptoms

(2010) Juan Carlos Gómez-Esteban et al.   CLINICAL NEUROLOGY AND NEUROSURGERY

Transcranial sonography in movement disorders

(2008) Daniela Berg et al.   LANCET NEUROLOGY

The specificity and sensitivity of transcranial ultrasound in the differential diagnosis of Parkinson's disease: a prospective blinded study

(2008) Alexandra Gaenslen et al.   LANCET NEUROLOGY

Second consensus statement on the diagnosis of multiple system atrophy

(2008) S. Gilman et al.   NEUROLOGY