Allah Noor, Khalil Ahmed Orakzai, Azam Khan, Mamoor Khan, Sohail Khan, Mubassir Ullah (2022) “Frequency of Septal Perforation in Sub-Mucous Resection of Nasal Septum”, Pakistan Journal of Medical & Health Sciences, 16(04), p. 498. doi: 10.53350/pjmhs22164498.