Khaula Ashraf et al. 2021. Six-minute walk distance, ECOG Performance Status, and Modified Borg Scale scores in a cohort of Pakistani men and women with noncancerous end-stage liver disease selected for liver transplant. Journal of the Pakistan Medical Association. 71, 4 (Nov. 2021), 1162–1166. DOI:https://doi.org/10.47391/JPMA.05.