Samad, A., S. Sartaj, R. Sartaj, and N. Naeem. “Trends of Oesophageal Carcinoma and Increasing Number of Young Patients With Oesophageal Carcinoma in Southern Punjab, Pakistan”. International Journal Of Community Medicine And Public Health, vol. 8, no. 11, Oct. 2021, pp. 5184-8, doi:10.18203/2394-6040.ijcmph20214247.