Sandblom G.; Granroth S.; Rasmussen I. C. 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, v. 113, n. 1, p. 57-64, 12 Jul. 2008.