Ghulam Younis, Muhammad Salman, Tahir Ullah, Muhammad Rashed, Saeeda Khan and Farooq Akbar (2022) “Evaluation of complications of two different chest tubes with either a sharp or blunt tip for thoracostomy”, Pakistan Journal of Chest Medicine, 28(2), pp. 180–185. doi: 10.1996/pjcm.v28i2.847.