D. Ali, M. Zubairi, M. Ayub, S. Awan, A. S. Ali, and Ali Bin Sarwar Zubairi, “An easy-to-use prehospital severity scoring tool to triage COVID-19 positive adults in a resource-limited setting”, J Pak Med Assoc, vol. 73, no. 10, pp. 1959–1964, Sep. 2023.