Laser photobiomodulation is more effective than ultrasound therapy in patients with chronic nonspecific low back pain: a comparative study.
Lasers Med Sci. 2019 Jun;34(4):793-800. doi: 10.1007/s10103-018-2665-8. Epub 2018 Oct 17.
Lasers Med Sci. 2019.
PMID: 30334124
Clinical Trial.