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Ronald Pfeiffer
Ronald Pfeiffer
Verified email at ohsu.edu
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Cited by
Cited by
Year
Mutations in LRRK2 cause autosomal-dominant parkinsonism with pleomorphic pathology
A Zimprich, S Biskup, P Leitner, P Lichtner, M Farrer, S Lincoln, ...
Neuron 44 (4), 601-607, 2004
34092004
Gastrointestinal dysfunction in Parkinson's disease
A Fasano, NP Visanji, LWC Liu, AE Lang, RF Pfeiffer
The Lancet Neurology 14 (6), 625-639, 2015
8302015
Non-motor symptoms in Parkinson's disease
RF Pfeiffer
Parkinsonism & related disorders 22, S119-S122, 2016
6802016
Pramipexole vs levodopa as initial treatment for Parkinson disease: a 4-year randomized controlled trial.
RG Holloway, I Shoulson, S Fahn, K Kieburtz, A Lang, K Marek, ...
Archives of neurology 61 (7), 1044-1053, 2004
6792004
Gastrointestinal dysfunction in Parkinson's disease
RF Pfeiffer
The Lancet Neurology 2 (2), 107-116, 2003
6202003
Gastrointestinal dysfunction in Parkinson's disease: frequency and pathophysiology
LL Edwards, EMM Quigley, RF Pfeiffer
Neurology 42 (4), 726-726, 1992
4951992
Gastrointestinal symptoms in Parkinson's disease
LL Edwards, RF Pfeiffer, EMM Quigley, R Hofman, M Balluff
Movement disorders: official journal of the Movement Disorder Society 6 (2 …, 1991
4521991
Dopaminergic defect of enteric nervous system in Parkinson's disease patients with chronic constipation
C Singaram, EA Gaumnitz, C Torbey, W Ashraf, EMM Quigley, ...
The Lancet 346 (8979), 861-864, 1995
4311995
A randomized, double-blind, placebo-controlled trial of antidepressants in Parkinson disease
IH Richard, MP McDermott, R Kurlan, JM Lyness, PG Como, N Pearson, ...
Neurology 78 (16), 1229-1236, 2012
3822012
Gastrointestinal dysfunction in Parkinson’s disease
RF Pfeiffer
Parkinsonism & related disorders 17 (1), 10-15, 2011
3422011
Autosomal dominant parkinsonism associated with variable synuclein and tau pathology
ZK Wszolek, RF Pfeiffer, Y Tsuboi, RJ Uitti, RD McComb, AJ Stoessl, ...
Neurology 62 (9), 1619-1622, 2004
3272004
Cognitive performance of GBA mutation carriers with early-onset PD: The CORE-PD study
RN Alcalay, E Caccappolo, H Mejia-Santana, MX Tang, L Rosado, ...
Neurology 78 (18), 1434-1440, 2012
2962012
A randomized clinical trial of high-dosage coenzyme Q10 in early Parkinson disease: no evidence of benefit
MF Beal, D Oakes, I Shoulson, C Henchcliffe, WR Galpern, R Haas, ...
JAMA neurology 71 (5), 543-552, 2014
2932014
Mutations in GBA are associated with familial Parkinson disease susceptibility and age at onset
WC Nichols, N Pankratz, DK Marek, MW Pauciulo, VE Elsaesser, ...
Neurology 72 (4), 310-316, 2009
2672009
Longitudinal outcome of Parkinson’s disease patients with psychosis
SA Factor, PJ Feustel, JH Friedman, CL Comella, CG Goetz, R Kurlan, ...
Neurology 60 (11), 1756-1761, 2003
2642003
Characterization of swallowing and defecation in Parkinson's disease.
LL Edwards, EMM Quigley, RK Harned, R Hofman, RF Pfeiffer
American Journal of Gastroenterology (Springer Nature) 89 (1), 1994
2541994
The PARK8 locus in autosomal dominant parkinsonism: confirmation of linkage and further delineation of the disease-containing interval
A Zimprich, B Müller-Myhsok, M Farrer, P Leitner, M Sharma, M Hulihan, ...
The American Journal of Human Genetics 74 (1), 11-19, 2004
2532004
Autonomic dysfunction in Parkinson's disease: a comprehensive symptom survey
MF Siddiqui, S Rast, MJ Lynn, AP Auchus, RF Pfeiffer
Parkinsonism & related disorders 8 (4), 277-284, 2002
2472002
Constipation in Parkinson's disease: objective assessment and response to psyllium
W Ashraf, RF Pfeiffer, F Park, J Lof, EMM Quigley
Movement Disorders 12 (6), 946-951, 1997
2381997
Expression and regulation of brain metallothionein
M Ebadi, PL Iversen, R Hao, DR Cerutis, P Rojas, HK Happe, LC Murrin, ...
Neurochemistry international 27 (1), 1-22, 1995
2371995
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