[Preliminary report for treatment of discogenic low back pain with combined percutaneous laser and O2-O3 mixture].

Objective: To evaluate the efficacy of percutaneous laser and O2-O3 mixture in treating chronic discogenic low back pain.

Methods: There were 48 patients included 32 male and 16 female with the mean age of 43.5 years (range, from 21 to 66 years).