Athar Adnan Uppal, Huma Aslam, Azhar Farooq, Salman Ahmed Niaz Mangrio, Muhammad Zia, Hafiz Muhammad Waseem Yaseen, Muhammad Irfan Khan, “Granuloma Following Tracheostomy Closure: An Overlooked Cause of Chronic Cough”, Pakistan Journal of Medical & Health Sciences, vol. 17, no. 09, p. 125, Sep. 2023.