Brandsteterova, E., & Ferencova, A. (1999). Determination of Antiarrhythmics and Their Metabolites in Clinical Samples Using a SPE-HPLC Combination. Chemické Listy, 93(4). Získáno z http://www-.chemicke-listy.cz/ojs3/index.php/chemicke-listy/article/view/2627