Sandblom , Gabriel, Sofie Granroth, and Ib Christian Rasmussen. “TPS, CA 19-9, VEGF-A, and CEA As Diagnostic and Prognostic Factors in Patients With Mass Lesions in the Pancreatic Head”. Upsala Journal of Medical Sciences 113, no. 1 (July 12, 2008): 57-64. Accessed March 30, 2026. https://ujms.net/index.php/ujms/article/view/6566.