1. Biostimulation of procollagen production by low energy lasers in human skin fibroblast cultures;Abergel;Clin Res,1984
2. Thermographic evaluation of response to laser acupuncture;Bradley,1992
3. A randomized double-blind clinical trial on the effectiveness of helium-neon laser in the prevention of pain, swelling and trismus after removal of impacted third molars;Carrillo;Int Dent J,1990
4. The effects of the helium-neon laser on post-surgical discomfort. A pilot study;Clokie;J Can Dent Assoc,1991
5. Placebo-gåten mot sin losning?;Kaada;J Nor Med Assoc,1986