Usefulness of Cardiac MIBG Scintigraphy, Olfactory Testing and Substantia Nigra Hyperechogenicity as Additional Diagnostic Markers for Distinguishing Between Parkinson’s Disease and Atypical Parkinsonian Syndromes
PLoS ONE- United States
doi 10.1371/journal.pone.0165869
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November 3, 2016
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Public Library of Science (PLoS)