Surath Manimala Rao, Laxmi Kotgire, B.V. Savitr Sastri. Pneumocephalus Caused by an Epidural Ozone Injection for Treatment of Disc Prolapse. RPA [Internet]. 2019 May 15 [cited 2026 Sep. 6];4(1):11-3. Available from: https://openventio.us/index.php/RPA/article/view/1822