This 2019 narrative review titled "Ultrasonography for Oxygen-Ozone Therapy in Musculoskeletal Diseases" (Medical Gas Research, DOI: [10.4103/2045-9912.254638]*) discusses how using ultrasonography significantly enhances the precision, safety, and effectiveness of oxygen-ozone therapy in musculoskeletal conditions such as tendonitis, arthritis, and spinal disorders. Oxygen-ozone therapy offers analgesic, anti-inflammatory, antioxidant, and immunomodulatory effects,