Baevsky's Stress Index as a Sensitive Indicator for Biofeedback Efficacy in Medical Students: a Pilot Study. - Mohammed Sakib Ihsan Khan; Rajan Prasad; Nadia Rabeh; Carl H. Kassab; Salma Aouda; Zakia Dimassi; Shiza Saleem; Herbert F. Jelinek (EMBC, 2024)