Liebert, A., 		Bicknell, B., 		Laakso, E., 		Tilley, S., 		Pang, V., 		Heller, G., 		Mitrofanis, J., 		Herkes, G., & 		Kiat, H.
2023 Apr  4.  Improvements in the clinical signs of Parkinson’s disease using photobiomodulation: a 3-year follow-up case series. Medical Research Archives. [Online] 11:3