The Comparison between Two Methods for the Relief of Knee Osteoarthritis Pain: Radiofrequency and Intra-Periarticular Ozone Injection: A Clinical Trial Study Journal title: International Journal of Medical Research & Health Sciences (IJMRHS) Authors: Masoud Hashemi| Associate Professor of Anesthesiology and pain (FIPP). [Fellowship of Anesthesiology... Subject(s): Medicine, Biomedicine, Dentistry and Oral Surgery, Oncology, Public Health and Community Medicine