T. T. H. . Duyen and T. A. Tu, “Simulating Low-Level Laser Propagation From Skin Surface to Lumbar Disc, Knee, Femur and Prostate Gland By Monte Carlo Method”, ASRJETS-Journal, vol. 67, no. 1, pp. 17–24, Apr. 2020, Accessed: Sep. 15, 2025. [Online]. Available: https://www.asrjetsjournal.org/American_Scientific_Journal/article/view/5798