M. A. Khan, A. Muhammad, R. Komal, Ijaz ul Haq, H. Hassan, and Y. H. Vapra, “A COCAINE INHALATION LEADING TO SPONTANEOUS PNEUMOMEDIASTINUM AND SUBCUTANEOUS EMPHYSEMA: A CASE REPORT AND REVIEW OF MECHANISMS”, J Ayub Med Coll Abbottabad, vol. 37, no. 3, pp. 383–386, Jan. 2026.