Dhoon, Taizoon, Wei-Chen Ln, Douglas Vaughn, and Govind Rajan. 2021. “Massive Pneumomediastinum and Pneumoperitoneum During Peroral Endoscopic Myotomy”. Anaesthesia, Pain & Intensive Care 25 (4), 523–526. https://doi.org/10.35975/apic.v25i4.1586.