Sajida Majeed, Muhammad Waqas Afzal, Muhammad Rashid Rasool, Muhammad Imran Shahzad, Kashif Sardar, Wajeeha Anwar. “Quantitative CT Assessment of Emphysema and Its Relationship With Disease Severity”. Pakistan Journal of Medical & Health Sciences, vol. 17, no. 12, Dec. 2023, p. 867, doi:10.53350/pjmhs020231712867.