Majeed, Mutayyaba, Hina Munir, Zehra Niazi, Ayesha Asad, Najam-ul-Sehar Javed, and Mashhood Shahid Amin Hashmi. “Autonomic Nervous System Dysfunction In Hypertensive Patients: A Heart Rate Variability (HRV) Analysis”. Journal of Neonatal Surgery 14, no. 31S (August 6, 2025): 1075–1080. Accessed October 25, 2025. https://mail.jneonatalsurg.com/index.php/jns/article/view/8765.