1. 1: Beckerman H, de Bie RA, Bouter LM, De Cuyper HJ, Oostendorp RA (1992): The efficacy of laser therapy for musculoskeletal and skin disorders. Phys Ther, 72: 483-91.
2. 2: Horiguchi S, Ueno R, Hyodo M, Hayashi O (1996): Alternations in nociception after intracisternal administration of prostaglandin D2, E2 or F2α to conscious mice. Pain, 67: 345-54.
3. 3: Ibuki T, Matsumura K, Yamazaki Y, Nozaki T, Tanaka Y, Kobayashi S (2003): Cyclooxygenase-2 is induced in the endothelial cells throughout the central nervous system during carrageenan-induced hind paw inflammation; its possible role in hyperalgesia. J Neuro-chem., 86: 318-28.
4. 4: Mizutani K, Musya Y, Wakae K, Kobayashi T, Tobe M, Taira K, Harada T (2004): A clinical study on serum prostaglandin E2 with low-level laser therapy. Photomed Laser Surg, 22: 537-539.
5. 5: Oka T, Auo S, Hori T (1997): Intracerebroventricular injection of prostaglandin E2 induced thermal hyperalgesia in rats. Brain Res., 663: 287-92.