Türker EGESEL, et al. “Antiphospholipid Antibodies and Lipoprotein (a) As Etiologic or Contributory Factors in Patients With Idiopathic Cavernous Transformation of Portal Vein”. Turkish Journal of Gastroenterology, vol. 13, no. 2, July 2019, pp. 89-93, https://turkjgastroenterol.avesjournals.com/index.php/tjg/article/view/1786.