Olfactory function in idiopathic Parkinson's disease (IPD): results from cross-sectional studies in IPD patients and long-term follow-up of de-novo IPD patients

Accuracy of clinical diagnosis of idiopathic Parkinson's disease: a clinico-pathological study of 100 cases.

Andrew Hughes, S. E. Daniel, Linda Kilford et al. · Journal of Neurology Neurosurgery & Psychiatry · 1992 · 10.4K citations · Full text

Medicine, Neurology, Pathology +15

‘Sniffin’ Sticks': Olfactory Performance Assessed by the Combined Testing of Odour Identification, Odor Discrimination and Olfactory Threshold

Thomas Hummel, B. Sekinger, S. R. Wolf et al. · Chemical Senses · 1997 · 2.5K citations · Full text

Life Sciences, Neuroscience, Psychology +16

Olfactory dysfunction in parkinsonism

Richard L. Doty, Daniel A. Deems, Stanley Stellar · Neurology · 1988 · 848 citations

Medicine, Neurology, Neuroscience +17

Multicenter investigation of 1,036 subjects using a standardized method for the assessment of olfactory function combining tests of odor identification, odor discrimination, and olfactory thresholds

Gerd Kobal, Ludger Klimek, Markus Wolfensberger et al. · European Archives of Oto-Rhino-Laryngology · 2000 · 743 citations

Life Sciences, Neuroscience, Physiology +17

Accuracy of Clinical Diagnosis in Parkinsonism — A Prospective Study

Alex Rajput, Alex Rajput, B. Rozdilsky et al. · Canadian Journal of Neurological Sciences / Journal Canadien des Sciences Neurologiques · 1991 · 589 citations · Full text

Medicine, Neurology, Neuroscience +14