Correlation of Ionized Magnesium with the Parameters of Oxidative Stress as Potential Biomarkers in Patients with Anxiety and Depression: A Pilot Study oleh Ana Opanković, Srđan Milovanović, Branimir Radosavljević, Milena Čavić, Irina Besu Žižak, Zoran Bukumirić, Milan Latas, Branislava Medić, Sonja Vučković, Dragana Srebro, Katarina Savić Vujović