Lumbar disc, Dr.Hossein Arjamand, Shiraz, disc, non-surgical, best disc doctor, knee pain, pain clinic, pain medicine specialist, physical medicine and rehabilitation, sciatica, sidedaki, knee pain, arthritis, shoulder pain, shoulder joint wear, cartilage Arthritis, Ortokin, the best knee doctor, epidural injection, Tavana, Tavana pain clinic, unsuccessful back surgery