Khan, Mehr Ali, et al. “A COCAINE INHALATION LEADING TO SPONTANEOUS PNEUMOMEDIASTINUM AND SUBCUTANEOUS EMPHYSEMA: A CASE REPORT AND REVIEW OF MECHANISMS”. Journal of Ayub Medical College Abbottabad, vol. 37, no. 3, Jan. 2026, pp. 383-6, https://jamc.ayubmed.edu.pk/index.php/jamc/article/view/14930.