Alayat, Mohamed Salaheldien Mohamed Correction to: Long-term effect of high-intensity laser therapy in the treatment of patients with chronic low back pain: a randomized blinded placebo-controlled trial. [electronic resource] - Lasers in medical science Feb 2020 - 297 p. digital Publication Type: Published Erratum ISSN: 1435-604X Standard No.: 10.1007/s10103-019-02926-x doi