Momenzadeh, Sirous, Farshad hasanzadeh kiabi, Mohammadreza Moradkhani, and Mehri Hoseinnejad Moghadam. 2012. “Low Level Laser Therapy (LLLT) Combined With Physical Exercise, A More Effective Treatment in Low Back Pain”. Journal of Lasers in Medical Sciences 3 (2):67-70. https://journals.sbmu.ac.ir/jlms/article/view/2878.