M-UL-HASAN, S. A. KHOWAJA, Z. QAZI, and A. A. SHAH. “A Cost-Effective Indigenous Wireless Electronic Stethoscope Using RF”. Sindh University Research Journal - SURJ (Science Series) 46, no. 4 (December 15, 2014). Accessed July 23, 2026. https://sujo.usindh.edu.pk/index.php/SURJ/article/view/5449.