Vyom Mori, Arun Mohanty, Ashish Jain, Dipak Katare, Aman Makhija. “A Rare Case of Transient High-Grade AV Block Due to Covid-19”. The Indian Practitioner, Vol. 74, no. 9, Oct. 2021, pp. 30-32, https://articles.theindianpractitioner.com/index.php/tip/article/view/1245.