Skrzek, A., K. Stolarz-Skrzypek, and D. Czarnecka. “Treatment of Hypertensive Patients With a Fixed-Dose Combination of Bisoprolol and Amlodipine ? Results of Cohort Study With More Than 10 000 Patients”. Medycyna Faktow (J EBM), Vol. 9, no. 1(30), Mar. 2016, pp. 20-24, https://www.journalsmededu.pl/index.php/jebm/article/view/2260.