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Relationship Between Annual Airborne Pollen Levels and Occurrence of Parkinson Disease, Amyotrophic Lateral Sclerosis, Myasthenia Gravis, Multiple Sclerosis, Spinocerebellar Degeneration, Huntington’s Disease, Shy-Drager Syndrome, Moyamoya Disease and Creutzfeldt- Jakob Disease Based on the National Registry Database of Specific Intractable Disease in Japan, 1974-2014: A Retrospective Study

Akira Awaya and Yoshiyuki Kuroiwa