Turgay Yılmaz Kilic, Murat Yesilaras, Ibrahim Toker, Ozge Duman Atilla, Feriyde Caliskan, and Selim Ekinci, “Serum Urea and Creatinine Levels are Better Predictors of Mortality than Serum Potassium Levels in Chronic Digoxin Toxicity”, EM, vol. 4, no. 1, pp. 5–9, Jun. 2018.