Mishra, Heena, and Mayank Jain. “Online Preventive Maintenance of HT Switchgear With Ultrasound Inspection”. Journal of Neonatal Surgery 14, no. 3 (March 14, 2025): 412–415. Accessed September 24, 2026. https://jneonatalsurg.com/index.php/jns/article/view/10498.