Mohamed F. Lutfi, Ramaze F. Elhakim, Elmuataz E A Mohammed. Physiological Basis and Clinical Significance of Heart Rate Variability. SEEJPH [Internet]. 2025 Mar. 12 [cited 2025 Oct. 1];:3579-91. Available from: https://www.seejph.com/index.php/seejph/article/view/5771