Bajpayee, Devina, Ritu Agrawal, Sourav Ghosh Dastidar, Nitin Bisht, Ranjan Kumar Panda, Arvind Kumar, Enisha Sarin, and Harish Kumar. “Experience With the Use of Handheld Doppler for Fetal Heart Rate Monitoring During Coronavirus Disease-19 Pandemic”. Eastern Journal of Medical Sciences 5, no. 4 (February 8, 2021): 74–78. Accessed December 5, 2025. https://mansapublishers.com/ejms/article/view/2571.