[1] Lees, A., Hardy, J. and Revesz, T. (2009) Parkinson’s Disease. Lancet, 373, 2055-2066.
https://doi.org/10.1016/S0140-6736(09)60492-X
[2] Parkinson’s Disease Foundation. http://www.pdf.org/about_pd
[3] Nord, M., Zsigmond, P., Kullman, A., Arstrand, K. and Dizdar, N. (2010) The Effect of Peripheral Enzyme Inhibitors on Levodopa Concentrations in Blood and CSF. Movement Disorders, 25, 363-367.
https://doi.org/10.1002/mds.22613
[4] Murray, A.M., Bennett, D.A., Mendes de Leon, C.F., Beckett, L.A. and Evans, D.A. (2004) A Longitudinal Study of Parkinsonism and Disability in a Community Population of Older People. The Journals of Gerontology Series A: Biological Sciences and Medical Sciences, 59, 864-870.
https://doi.org/10.1093/gerona/59.8.M864
[5] Jankovic, J. (2008) Parkinson’s Disease: Clinical Features and Diagnosis. Journal of Neurology, Neurosurgery, and Psychiatry, 79, 368-376.
https://doi.org/10.1136/jnnp.2007.131045
[6] Caballol, N., Martí, M.J. and Tolosa, E. (2007) Cognitive Dysfunction and Dementia in Parkinson Disease. Movement Disorders, 22, 358-366.
https://doi.org/10.1002/mds.21677
[7] Fujii, Y. (2016) Two Cases of Severe Dementia Showing Dramatic Improvement after Denture Placement. Advances in Alzheimer’s Disease, 5, 46-52.
https://doi.org/10.4236/aad.2016.52004
[8] Yoshiaki, O. (1993) Bi-Digital O-Ring Test for Imaging and Diagnosis of Internal Organs of a Patient. US Patent 5188107. http://academic.reed.edu/economics/parker/f11/354/pat/o-ring.pdf
[10] Rabey, J.M. and Hefti, F. (1990) Neuromelanin Synthesis in Rat and Human Substantia Nigra. Journal of Neural Transmission. Parkinson’s Disease and Dementia Section, 2, 1-14.
https://doi.org/10.1007/BF02251241
[11] Kim, S.J., Sung, J.Y., Um, J.W., Hattori, N., Mizuno, Y., Tanaka, K., Paik, S.R., Kim, J. and Chung, K.C. (2003) Parkin Cleaves Intracellular Alpha-Synuclein Inclusions via the Activation of Calpain. Journal of Biological Chemistry, 278, 41890-41899.
https://doi.org/10.1074/jbc.M306017200
[12] Fujii, Y. (2012) Do Dental Implants Cause Scoliosis? Case Report. Personalized Medicine Universe, 1, 79-80.
https://doi.org/10.1016/j.pmu.2012.05.012
[13] Fujii, Y. (2015) Orthodontic Treatment to Improve Hip Joint Mobility and Balance. Journal of Dentist, 3, 29-32.
https://doi.org/10.12974/2311-8695.2015.03.01.5
[14] Fujii, Y. (2017) Severe Dermatitis Might Be Caused by a Cross-Reaction between Nickel and Palladium and Dental Amalgam Resolved Following Removal of Dental Restoration. Clinical Case Reports, 5, 795-800.
https://doi.org/10.1002/ccr3.938
[15] Fujii, Y. (2019) Evaluation of a Mouthguard Customized Using the Occlusal Position during Maximal Grip Strength to Improve Sports Performance. A Case Report. Case Reports in Clinical Medicine, 8, 147-151.
https://doi.org/10.4236/crcm.2019.86017