Khan, Nadim, Muhammad Naeem, Adil Bangash, Muzaffaruddin Sadiq, Munir Ahmad, Haseeb Nawaz, and Haris Hamid. 2010. “PROGNOSTIC INDICATORS OF MORTALITY PRIOR TO SURGERY IN ESOPHAGEAL CANCER”. Journal of Medical Sciences 18 (3):126-31. https://jmedsci.com/Jmedsci/article/view/432.