Liebert, Ann, 		Bicknell, Brian, 		Laakso, E-Liisa, 		Tilley, Sharon, 		Pang, Vincent, 		Heller, Gillian, 		Mitrofanis, John, 		Herkes, Geoffrey, AND 		Kiat, Hosen.
" Improvements in the clinical signs of Parkinson’s disease using photobiomodulation: a 3-year follow-up case series" <em>Medical Research Archives</em> [Online], Volume 11 Number 3 (4 April 2023)