A Prospective Comparative Study of Pulsed High-Intensity Laser Therapy and Pulsed Electromagnetic Field on Chronic Nonspecific Low Back Pain. - Abdelbasset, Walid Kamal; Nambi, Gopal; Elsayed, Shereen H.; Soliman, Gaber S.; Alessi, Ahmed A.; Alsalem, Ibrahim N.; Alwadai, Saeed M. (Photobiomodulation, Photomedicine & Laser Surgery, 2021)