Tarar, J., Nadeem, K., Khan, D. and Iqbal, M.S. 2020. Transition from Multi-portal to Uni-portal Video Assisted Thoracoscopic Surgery: A Modern Era Requirement. Annals of Punjab Medical College (APMC). 14, 4 (Dec. 2020), 357-360. DOI:https://doi.org/10.29054/apmc/2020.999.