Predictive value of CA 19-9 in patients with pancreatic tumours: Predictive value of CA 19-9 in patients with pancreatic tumours. J Fatima Jinnah Med Univ [Internet]. 2020 Jul. 13 [cited 2026 May 25];14(1):45-8. Available from: http://jfjmu.com/index.php/ojs/article/view/633