A longitudinal study of olfactory function in patients with idiopathic Parkinson's disease

Staging of brain pathology related to sporadic Parkinson’s disease

Heiko Braak, Kelly Del Tredici, Udo Rüb et al. · Neurobiology of Aging · 2002 · 10.8K citations

Medicine, Neurology, Neuroscience +13

‘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

Idiopathic hyposmia as a preclinical sign of Parkinson's disease

Mirthe M. Ponsen, Diederick Stoffers, Jan Booij et al. · Annals of Neurology · 2004 · 734 citations · Full text

Life Sciences, Neurology, Neuroscience +16