Dr. Hossein Arjamand, physical medicine and rehabilitation specialist, Shiraz, pain clinic, pain, pain specialist, the best, doctor, physiotherapy, back pain, neck pain, disc, knee pain, shoulder, joint, chronic pain, non-surgical treatment, ozone therapy , ozone, epidural, discogel, laser, leg, nerve and muscle strip, injection, laser operation, joint wear, hip joint, coccyx pain