Erum Habib, Muhammad Nabi, Iqbal Ahmad, Muzaffar Shah, Zarlakhta Zahir, Hamid Ali Khan, “The Accuracy 0f CT Chest in Determining Between Ground Glass Opacities And Those Caused by Covid-19 And Other Medications”, Pakistan Journal of Medical & Health Sciences, vol. 16, no. 10, p. 532, Dec. 2022.