TI - Iatrogenic Pneumomediastinum and Subcutaneous Emphysema after Mandibular Left First Molar Tooth Extraction AU - Önal, Ö. AU - Hasdıraz, L. AU - Oğuzkaya, F. SO - Journal of Clinical Practice and Research 2016;38:38-40. DO - 10.5152/etd.2016.0019