Pierantozzi M, Pietroiosti A, Brusa L, et al: Helicobacter pylori eradication and l-dopa absorption in patients with PD and motor fluctuations. Neurology 66:1824, 2006.
Pincus JH, Barry K: Influence of dietary protein on motor fluctuations in Parkinson’s disease. Arch Neurol 44:270, 1987.
Polvikoski T, Sulkava R, Haltia M, et al: Apolipoprotein E, dementia, and cortical deposition of β-amyloid protein. N Engl J Med 333:1242, 1995.
Polymeropoulos MH, Lavedan C, Leroy E, et al: Mutation in the alpha-synuclein gene identified in families with Parkinson’s disease. Science 276:2045, 1997.
Pringle CE, Hudson AS, Munoz DG, et al: Primary lateral sclerosis: Clinical features, neuropathology, and diagnostic criteria. Brain 115:495, 1992.
Probst A, Tolnay M: La maladie des grains argyrophiles: Une cause fréquente mais encore largement méconne de démence chez les personnes agées. Rev Neurol 158:155, 2002.
Querfurth HW, LaFerla FM: Alzheimer’s disease. N Engl J Med 362:329, 2010.
Quinn NP, Toone B, Lang AE, et al: Dopa dose-dependent sexual deviation. Br J Psychiatry 142:296, 1983.
Qureshi AI, Wilmot G, Dihenia B, et al: Motor neuron disease with Parkinsonism. Arch Neurol 53:987, 1996.
Rajput AH, Gibb WRG, Zhong XH, et al: Dopa-responsive dystonia: Pathological and biochemical observations in a case. Ann Neurol 35:396, 1994.
Rajput AH, Rozdilsky B: Dysautonomia in parkinsonism: A clinicopathologic study. J Neurol Neurosurg Psychiatry 39:1092, 1976.
Rampoldi L, Dobson-Stone C, Rubio JP, et al: A conserved sorting-associated protein is mutant in chorea-acanthocytosis. Nat Genet 28:119, 2001.
Rascol O, Brooks DJ, Korczyn AD, et al: A five-year study of the incidence of dyskinesias in patients with early Parkinson’s disease who were treated with ropinirole or levodopa. N Engl J Med 342:1484, 2000.
Rascol O, Brooks DJ, Melamel E, et al: Rasagiline as an adjunct to levodopa in patients with Parkinson’s disease and motor fluctuations: A randomized, double-blind, parallel-group trial. Lancet 365:947, 2005.
Rebeiz JJ, Kolodny EH, Richardson EP: Corticodentatonigral degeneration with neuronal achromasia. Arch Neurol 18:20, 1968.
Reisberg B, Doody R, Stoffler A, et al: Memantine in moderate-to-severe Alzheimer’s disease. N Engl J Med 348:1333, 2003.
Renner JA, Burns JM, Hou CE, et al: Progressive posterior cortical dysfunction. Neurology 63:1175, 2004.