All Stories

  1. Levodopa-induced lateral jaw deviation dystonia

    Article • Parkinsonism & Related Disorders, July 2015, Elsevier

    Dr Ronald F Pfeiffer

  2. Gastrointestinal dysfunction in Parkinson's disease

    Article • The Lancet Neurology, June 2015, Elsevier

    Dr Ronald F Pfeiffer

  3. Differentiating atypical parkinsonian syndromes—a way forward?

    Article • Brain and Behavior, May 2015, Wiley

    Dr Ronald F Pfeiffer

  4. The Phenotypic Spectrum of Parkinson Disease

    Article • January 2015, Elsevier

    Dr Ronald F Pfeiffer

  5. Treatment of myoclonus-dystonia syndrome with tetrabenazine

    Article • Parkinsonism & Related Disorders, December 2014, Elsevier

    Dr Ronald F Pfeiffer

  6. The relationship between obsessive-compulsive symptoms andPARKINgenotype: The CORE-PD study

    Article • Movement Disorders, November 2014, Wiley

    Dr Ronald F Pfeiffer

  7. Gastrointestinal involvement in Parkinson's disease: the horse or the cart

    Article • Acta Physiologica, May 2014, Wiley

    Dr Ronald F Pfeiffer

  8. A rare sequence variant in intron 1 of THAP 1 is associated with primary dystonia

    Article • Molecular Genetics & Genomic Medicine, February 2014, Wiley

    Dr Ronald F Pfeiffer

  9. Other Neurologic Disorders Associated with Gastrointestinal Disease

    Article • January 2014, Elsevier

    Dr Ronald F Pfeiffer

  10. Neurologic manifestations of malabsorption syndromes

    Article • January 2014, Elsevier

    Dr Ronald F Pfeiffer

  11. Beyond here be dragons: SIBO in Parkinson's disease

    Article • Movement Disorders, October 2013, Wiley

    Dr Ronald F Pfeiffer

  12. Catechol-O-methyltransferase inhibitors

    Article • April 2013, Taylor & Francis

    Dr Ronald F Pfeiffer

  13. Catechol-O-methyltransferase inhibitors

    Article • January 2013, Informa Healthcare

    Dr Ronald F Pfeiffer

  14. Parkinson’s Disease and Nonmotor Dysfunction

    Article • January 2013, Springer Science + Business Media

    Dr Ronald F Pfeiffer

  15. Intestinal Dysfunction in Parkinson’s Disease

    Article • October 2012, Springer Science + Business Media

    Dr Ronald F Pfeiffer

  16. Parkinson's Disease, Second Edition

    Article • September 2012, Taylor & Francis

    Dr Ronald F Pfeiffer

  17. Gastrointestinal Dysfunction in Parkinson’s Disease

    Article • September 2012, Taylor & Francis

    Dr Ronald F Pfeiffer

  18. Autonomic dysfunction in Parkinson's disease

    Article • Expert Review of Neurotherapeutics, June 2012, Taylor & Francis

    Dr Ronald F Pfeiffer

  19. Annual report 2011

    Article • Parkinsonism & Related Disorders, March 2012, Elsevier

    Dr Ronald F Pfeiffer

  20. Sentence Intelligibility Before and After Voice Treatment in Speakers With Idiopathic Parkinson’s Disease

    Article • Journal of Voice, March 2012, Elsevier

    Dr Ronald F Pfeiffer

  21. Neurogenic Dysphagia

    Article • January 2012, Elsevier

    Dr Ronald F Pfeiffer

  22. 2.130 CHANGE IN GLUTATHIONE-S-TRANSFERASE-PI EXPRESSION IN BLOOD OF PARKINSON'S DISEASE PATIENTS FOLLOWING EXPOSURE TO OXIDATIVE STRESS: POTENTIAL USE AS A BIOMARKER

    Article • Parkinsonism & Related Disorders, January 2012, Elsevier

    Dr Ronald F Pfeiffer

  23. Alterations in glutathione S-transferase pi expression following exposure to MPP+-induced oxidative stress in the blood of Parkinson’s disease patients

    Article • Parkinsonism & Related Disorders, December 2011, Elsevier

    Dr Ronald F Pfeiffer

  24. Gastrointestinal and Swallowing Disturbances in Parkinson's Disease

    Article • June 2011, Wiley

    Dr Ronald F Pfeiffer

  25. The c.-237_236GA>TT THAP1 sequence variant does not increase risk for primary dystonia

    Article • Movement Disorders, February 2011, Wiley

    Dr Ronald F Pfeiffer

  26. Wilson's disease

    Article • January 2011, Elsevier

    Dr Ronald F Pfeiffer

  27. Gastrointestinal dysfunction in Parkinson’s disease

    Article • Parkinsonism & Related Disorders, January 2011, Elsevier

    Dr Ronald F Pfeiffer

  28. Frequency of Known Mutations in Early-Onset Parkinson Disease

    Article • Archives of Neurology, September 2010, American Medical Association (AMA)

    Dr Ronald F Pfeiffer

  29. Predictors of Parkin Mutations in Early-Onset Parkinson Disease

    Article • Archives of Neurology, June 2010, American Medical Association (AMA)

    Dr Ronald F Pfeiffer

  30. Calcium channel blockers and Parkinson disease

    Article • Nature Reviews Neurology, April 2010, Springer Science + Business Media

    Dr Ronald F Pfeiffer

  31. Self-report of cognitive impairment and mini-mental state examination performance in PRKN, LRRK2, and GBA carriers with early onset Parkinson's disease

    Article • Journal of Clinical and Experimental Neuropsychology, February 2010, Taylor & Francis

    Dr Ronald F Pfeiffer

  32. Neurologic Presentations of Gastrointestinal Disease

    Article • Neurologic Clinics, February 2010, Elsevier

    Dr Ronald F Pfeiffer

  33. Annual Report

    Article • Parkinsonism & Related Disorders, January 2010, Elsevier

    Dr Ronald F Pfeiffer

  34. Gastrointestinal, urological, and sexual dysfunction in Parkinson's disease

    Article • Movement Disorders, January 2010, Wiley

    Dr Ronald F Pfeiffer

  35. Effects of Moderate-Volume, High-Load Lower-Body Resistance Training on Strength and Function in Persons with Parkinson's Disease: A Pilot Study

    Article • Parkinson s Disease, January 2010, Hindawi Publishing Corporation

    Dr Ronald F Pfeiffer, Dr. Brian K Schilling

  36. Impaired leg extensor strength in individuals with Parkinson disease and relatedness to functional mobility

    Article • Parkinsonism & Related Disorders, December 2009, Elsevier

    Dr Ronald F Pfeiffer, Dr. Brian K Schilling

  37. Motor Phenotype of LRRK2 G2019S Carriers in Early-Onset Parkinson Disease

    Article • Archives of Neurology, December 2009, American Medical Association (AMA)

    Dr Ronald F Pfeiffer

  38. O.056 Gastrointestinal dysfunction in Parkinson's disease

    Article • Parkinsonism & Related Disorders, December 2009, Elsevier

    Dr Ronald F Pfeiffer

  39. P1.162 Relationship of neuromuscular strength to balance, functional mobility and quality of life in persons with Parkinson's disease

    Article • Parkinsonism & Related Disorders, December 2009, Elsevier

    Dr Ronald F Pfeiffer

  40. Nonmotor symptoms in Parkinson disease: the PRIAMO study

    Article • Nature Reviews Neurology, October 2009, Springer Science + Business Media

    Dr Ronald F Pfeiffer

  41. Genetic factors influencing age at onset in LRRK2-linked Parkinson disease

    Article • Parkinsonism & Related Disorders, August 2009, Elsevier

    Dr Ronald F Pfeiffer, A Jon Stoessl

  42. Alpha-synuclein and familial Parkinson's disease

    Article • Movement Disorders, May 2009, Wiley

    Dr Ronald F Pfeiffer

  43. High-throughput mutational analysis of TOR1A in primary dystonia

    Article • BMC Medical Genetics, March 2009, Springer Science + Business Media

    Dr Ronald F Pfeiffer

  44. Annual report

    Article • Parkinsonism & Related Disorders, January 2009, Elsevier

    Dr Ronald F Pfeiffer

  45. Consult for a neurohepatologist

    Article • November 2008, Informa Healthcare

    Dr Ronald F Pfeiffer

  46. Editorial

    Article • Parkinsonism & Related Disorders, November 2008, Elsevier

    Dr Ronald F Pfeiffer

  47. Effect of Resistance Training on Blood Oxidative Stress in Parkinson Disease

    Article • Medicine & Science in Sports & Exercise, August 2008, Wolters Kluwer Health

    Dr Ronald F Pfeiffer, Dr. Brian K Schilling

  48. Effect of Resistance Exercise on Blood Oxidative Stress and Antioxidant Status in Parkinson's Disease

    Article • Medicine & Science in Sports & Exercise, May 2008, Wolters Kluwer Health

    Dr Ronald F Pfeiffer, Dr. Brian K Schilling

  49. Correspondence

    Article • Parkinsonism & Related Disorders, March 2008, Elsevier

    Dr Ronald F Pfeiffer

  50. Neurogenic Dysphagia

    Article • January 2008, Elsevier

    Dr Ronald F Pfeiffer

  51. Transdermal drug delivery in Parkinson’s disease

    Article • Aging Health, August 2007, Future Medicine

    Dr Ronald F Pfeiffer

  52. Wilson's Disease

    Article • Seminars in Neurology, April 2007, Thieme Publishing Group

    Dr Ronald F Pfeiffer

  53. Continued efficacy and safety of subcutaneous apomorphine in patients with advanced Parkinson's disease

    Article • Parkinsonism & Related Disorders, March 2007, Elsevier

    Dr Ronald F Pfeiffer

  54. BLADDER AND SEXUAL FUNCTION AND DYSFUNCTION

    Article • January 2007, Elsevier

    Dr Ronald F Pfeiffer

  55. NEUROLOGY OF GASTROENTEROLOGY AND HEPATOLOGY

    Article • January 2007, Elsevier

    Dr Ronald F Pfeiffer

  56. Non-motor Parkinsonism

    Article • Parkinsonism & Related Disorders, January 2007, Elsevier

    Dr Ronald F Pfeiffer

  57. A promising new technology for Parkinson's disease

    Article • Neurology, July 2005, Wolters Kluwer Health

    Dr Ronald F Pfeiffer

  58. NEUROLOGICAL DYSFUNCTION IN GASTROINTESTINAL DISEASES

    Article • CONTINUUM Lifelong Learning in Neurology, February 2005, Wolters Kluwer Health

    Dr Ronald F Pfeiffer

  59. Parkinson’s Disease and Nonmotor Dysfunction

    Article • January 2005

    Dr Ronald F Pfeiffer

  60. The Phenotypic Spectrum of Parkinson Disease

    Article • January 2005, Elsevier

    Dr Ronald F Pfeiffer

  61. Advances in Neurology, volume 96: Behavioral neurology of movement disorders, 2nd edition

    Article • Annals of Neurology, January 2005, Wiley

    Dr Ronald F Pfeiffer

  62. A multicenter, open-label, sequential study comparingpreferences for carbidopa-levodopa orally disintegrating tablets and conventional tablets in subjects with Parkinson's disease

    Article • Clinical Therapeutics, January 2005, Elsevier

    Dr Ronald F Pfeiffer

  63. Parkinson's Disease

    Article • December 2004, Taylor & Francis

    Dr Ronald F Pfeiffer, Dr. Marcia H. Ratner

  64. Gastrointestinal Dysfunction in Parkinson’s Disease

    Article • December 2004, Taylor & Francis

    Dr Ronald F Pfeiffer

  65. Neurotransplantation in Parkinson’s Disease

    Article • December 2004, Taylor & Francis

    Dr Ronald F Pfeiffer

  66. Mutations in LRRK2 Cause Autosomal-Dominant Parkinsonism with Pleomorphic Pathology

    Article • Neuron, November 2004, Elsevier

    Dr Ronald F Pfeiffer, A Jon Stoessl

  67. The PARK8 Locus in Autosomal Dominant Parkinsonism: Confirmation of Linkage and Further Delineation of the Disease-Containing Interval

    Article • The American Journal of Human Genetics, January 2004, Elsevier

    Dr Ronald F Pfeiffer, A Jon Stoessl

  68. Longitudinal outcome of Parkinson's disease patients with psychosis

    Article • Neurology, June 2003, Wolters Kluwer Health

    Dr Ronald F Pfeiffer

  69. Catechol-o-methyltransferase In Parkinson’s Disease

    Article • March 2003, Taylor & Francis

    Dr Ronald F Pfeiffer

  70. Development and testing of the Parkinson's disease quality of life scale

    Article • Movement Disorders, February 2003, Wiley

    Dr Ronald F Pfeiffer

  71. Gastrointestinal dysfunction in Parkinson's disease

    Article • The Lancet Neurology, February 2003, Elsevier

    Dr Ronald F Pfeiffer

  72. Anticardiolipin antibody in vascular parkinsonism

    Article • Movement Disorders, September 2002, Wiley

    Dr Ronald F Pfeiffer

  73. Autonomic dysfunction in Parkinson's disease: a comprehensive symptom survey

    Article • Parkinsonism & Related Disorders, March 2002, Elsevier

    Dr Ronald F Pfeiffer

  74. Potential of Transdermal Drug Delivery in Parkinson??s Disease

    Article • Drugs & Aging, January 2002, Springer Science + Business Media

    Dr Ronald F Pfeiffer

  75. Brain meets gut: gastroesophageal reflux

    Article • Clinical Autonomic Research, February 2001, Springer Science + Business Media

    Dr Ronald F Pfeiffer

  76. Parkinson's disease and movement disorders

    Article • Annals of Neurology, January 2001, Wiley

    Dr Ronald F Pfeiffer

  77. Frontotemporal dementia and Parkinsonism linked to chromosome 17 (FTDP-17): PPND family. A longitudinal videotape demonstration

    Article • Movement Disorders, January 2001, Wiley

    Dr Ronald F Pfeiffer

  78. Book review

    Article • Movement Disorders, November 2000, Wiley

    Dr Ronald F Pfeiffer

  79. Reduced expression of the G209A ?-synuclein allele in familial parkinsonism

    Article • Annals of Neurology, September 1999, Wiley

    Dr Ronald F Pfeiffer

  80. Metallothionein in oxidative stress of Parkinson’s disease

    Article • January 1999, Springer Science + Business Media

    Dr Ronald F Pfeiffer

  81. Gastrointestinal Motility Problems in Patients with Parkinson???s Disease

    Article • CNS Drugs, January 1999, Springer Science + Business Media

    Dr Ronald F Pfeiffer

  82. Maintenance Electroconvulsive Therapy for Intractable Parkinson's Disease

    Article • American Journal of Geriatric Psychiatry, June 1998, Elsevier

    Dr Ronald F Pfeiffer

  83. Neuroleptic Sensitivity to Clozapine in Dementia With Lewy Bodies

    Article • Journal of Neuropsychiatry, May 1998, American Psychiatric Association

    Dr Ronald F Pfeiffer

  84. Severe bilateral tremor in a liver transplant recipient taking cyclosporine

    Article • Movement Disorders, May 1998, Wiley

    Dr Ronald F Pfeiffer

  85. Maintenance Electroconvulsive Therapy for Intractable Parkinsonʼs Disease

    Article • American Journal of Geriatric Psychiatry, January 1998, Elsevier

    Dr Ronald F Pfeiffer

  86. Constipation in parkinson's disease: Objective assessment and response to psyllium

    Article • Movement Disorders, November 1997, Wiley

    Dr Ronald F Pfeiffer

  87. Familial parkinsonism, dementia, and lewy body disease: Study of family G

    Article • Annals of Neurology, October 1997, Wiley

    Dr Ronald F Pfeiffer

  88. Editors note:The above letter was referred to the authors of the original paper, and their reply follows

    Article • Journal of the American Geriatrics Society, July 1997, Wiley

    Dr Ronald F Pfeiffer

  89. Neurologic Dysfunction in Gastrointestinal Disease

    Article • Seminars in Neurology, September 1996, Thieme Publishing Group

    Dr Ronald F Pfeiffer

  90. Charles Bonnet Syndrome

    Article • Journal of the American Geriatrics Society, September 1996, Wiley

    Dr Ronald F Pfeiffer

  91. Simultaneously evoked primary and cognitive visual evoked potentials distinguish younger and older patients with Parkinson's disease

    Article • Journal of Neural Transmission, August 1996, Springer Science + Business Media

    Dr Ronald F Pfeiffer

  92. Antiparkinsonian Agents Drug Interactions of Clinical Significance

    Article • Drug Safety, May 1996, Springer Science + Business Media

    Dr Ronald F Pfeiffer

  93. Amantadine-induced ?vocal? myoclonus

    Article • Movement Disorders, January 1996, Wiley

    Dr Ronald F Pfeiffer

  94. Cricopharyngeal dysfunction in Parkinson's disease: Role in dysphagia and response to myotomy

    Article • Movement Disorders, January 1996, Wiley

    Dr Ronald F Pfeiffer

  95. Letters to the editor

    Article • Muscle & Nerve, January 1996, Wiley

    Dr Ronald F Pfeiffer

  96. Selegiline protects dopaminergic neurons in culture from toxic factor(s) present in the cerebrospinal fluid of patients with Parkinson's disease

    Article • Neuroscience Letters, November 1995, Elsevier

    Dr Ronald F Pfeiffer

  97. Anorectal function in fluctuating (on-off) Parkinson's disease: Evaluation by combined anorectal manometry and electromyography

    Article • Movement Disorders, September 1995, Wiley

    Dr Ronald F Pfeiffer

  98. Dopaminergic defect of enteric nervous system in Parkinson's disease patients with chronic constipation

    Article • The Lancet, September 1995, Elsevier

    Dr Ronald F Pfeiffer

  99. Cerebrospinal fluid of Parkinson's disease patients inhibits the growth and function of dopaminergic neurons in culture

    Article • Neurology, January 1995, Wolters Kluwer Health

    Dr Ronald F Pfeiffer

  100. Gastrointestinal Dysfunction in Parkinson???s Disease

    Article • Journal of Clinical Gastroenterology, July 1994, Wolters Kluwer Health

    Dr Ronald F Pfeiffer

  101. Anorectal manometry in the assessment of anorectal function in Parkinson's disease: A comparison with chronic idiopathic constipation

    Article • Movement Disorders, January 1994, Wiley

    Dr Ronald F Pfeiffer

  102. Distribution of cholinergic and dopaminergic receptors in rainbow trout pineal gland

    Article • Journal of Pineal Research, January 1994, Wiley

    Dr Ronald F Pfeiffer

  103. Defecatory function in Parkinson's disease: Response to apomorphine

    Article • Annals of Neurology, May 1993, Wiley

    Dr Ronald F Pfeiffer

  104. The gut in PD

    Article • Neurology, March 1993, Wolters Kluwer Health

    Dr Ronald F Pfeiffer

  105. Gastrointestinal dysfunction in Parkinson's disease: Frequency and pathophysiology

    Article • Neurology, April 1992, Wolters Kluwer Health

    Dr Ronald F Pfeiffer

  106. CQA 206–291 in Parkinsonʼs Disease

    Article • Clinical Neuropharmacology, April 1991, Wolters Kluwer Health

    Dr Ronald F Pfeiffer

  107. Gastrointestinal symptoms in Parkinson's disease

    Article • Movement Disorders, January 1991, Wiley

    Dr Ronald F Pfeiffer

  108. Bromocriptine-induced hypothermia

    Article • Neurology, February 1990, Wolters Kluwer Health

    Dr Ronald F Pfeiffer

  109. Clozapine for psychosis in Parkinson's disease

    Article • Movement Disorders, January 1990, Wiley

    Dr Ronald F Pfeiffer

  110. Dentatorubro-pallidoluysian atrophy of the myoclonus epilepsy type with posterior column degeneration

    Article • Movement Disorders, January 1990, Wiley

    Dr Ronald F Pfeiffer

  111. PONTINE AND EXTRAPONTINE MYELINOLYSIS FOLLOWING LIVER TRANSPLANTATION

    Article • Transplantation, December 1989, Wolters Kluwer Health

    Dr Ronald F Pfeiffer

  112. ?On-Off?-induced lethal hyperthermia

    Article • Movement Disorders, January 1989, Wiley

    Dr Ronald F Pfeiffer

  113. CQP 201-403 in Parkinson's disease: An open-label pilot study

    Article • Movement Disorders, January 1989, Wiley

    Dr Ronald F Pfeiffer

  114. Cryptococcal meningoencephalitis with parkinsonian features

    Article • Movement Disorders, January 1988, Wiley

    Dr Ronald F Pfeiffer

  115. Low-Dose Bromocriptine Therapy in Parkinson's Disease

    Article • Archives of Neurology, June 1985, American Medical Association (AMA)

    Dr Ronald F Pfeiffer

  116. The Pharmacology of Mesulergine

    Article • Clinical Neuropharmacology, March 1985, Wolters Kluwer Health

    Dr Ronald F Pfeiffer

  117. Dopamine Receptors

    Article • Clinical Neuropharmacology, September 1984, Wolters Kluwer Health

    Dr Ronald F Pfeiffer

  118. Neurologic Drug Toxicity in the Emergency Room

    Article • Seminars in Neurology, March 1983, Thieme Publishing Group

    Dr Ronald F Pfeiffer

  119. Treatment of Parkinsonism

    Article • January 1977, Springer Science + Business Media

    Dr Ronald F Pfeiffer

  120. Intestinal Dysfunction

    Article • Springer Science + Business Media

    Dr Ronald F Pfeiffer

  121. Pain Syndromes and Disorders of Sensation

    Article • Springer Science + Business Media

    Dr Ronald F Pfeiffer