Noman Sadiq, Tahira Sadiq, Wazir Ahmed Baloch, Humaira Fayyaz Khan, Noor Nasir Rajpoot, Shazia Ali 2023. Modulation of Heart Rate Variability in Stressed Medical Students Via Breathing Exercise. Pakistan Journal of Medical & Health Sciences. 17, 01 (Feb. 2023), 117. DOI:https://doi.org/10.53350/pjmhs2023171117.