SEZGİN, Orhan, and Perihan OĞUZ. “Serum Digoxin-Like Immunoreactive Substances in Chronic Liver Disease”. Turkish Journal of Gastroenterology, vol. 8, no. 3, Jan. 1997, pp. 283-5, https://www.turkjgastroenterol.org/index.php/tjg/article/view/801.