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APA Citation
Licking, N., Murchison, C., Cholerton, B., Zabetian, C. P., Hu, S., Montine, T. J., Peterson-Hiller, A. L., Chung, K. A., Edwards, K., Leverenz, J. B., & Quinn, J. F. (2017). homocysteine and cognitive function in Parkinson's disease. Parkinsonism & related disorders, 44, 1–5. http://access.bl.uk/ark:/81055/vdc_100054256889.0x000012