Fritzsche L, Fritzsche M, Majoe D. OPTIMI (Online Predicative Tools for Intervention in Mental Illness) OPTIMI ECG sensor as a measurement tool for signs of stress and poor coping in high risk individuals. Psihìatr. nevrol. med. psihol. [Internet]. 2015Mar.25 [cited 2025Dec.5];1(2):28–33. Available from: https://periodicals.karazin.ua/pnmp/article/view/1503