S. A. Kandela, A. K. Melconian, and S. M. Bakkour, “Low Power He:Ne Laser Radiation in Killing Photosensitized Helicobacter pylori in Vitro”, IJL, vol. 3, no. B, pp. 31–35, Dec. 2004, doi: 10.31900/ijl.v3iB.155.