1. 1: Diamantopoulos C, and Emmanouilidis O (1991): Continuous wave infrared low power application significantly accelerates chronic pain relief rehabilitation of professional athletes. A double blind study. In Proceedings, 11th International Congress, World Confederation of Physical Therapy, London, p 788.
2. 2: Scudds RA, Kubish RI, and Percy JC (1989): A double-blind crossover study of the effectiveness of low-power gallium arsenide laser on the symptoms of fibro sitis. Physiotherapy Canada 41: (suppl 3 ), 2.
3. 3: Snyder-Mackler L, Bork C, Bourbon B, and Trumbore D (1986): Effect of helium-neon laser on musculoskeletal trigger points. Physical Therapy 66: 1087-1090.
4. 4; Snyder-Mackler L, Barry AJ, Perkins AI, and Soucek MD (1989). Effects of helium-neon laser irradiation on skin resistance and pain in patients with trigger points in the neck and back. Physical Therapy 69: 336-340.
5. 5: Waylonis GW, Wilke S, O’Toole D, Waylonis DA, and Waylonis DB (1988): Chronic myofascial pain: Management by low-output helium-neon laser therapy. Archives of Physical Medicine and Rehabilitation 69: 1017-1020.