Dr. Kavya Mathur, Dr. Sandeep Saurabh, Dr. Sugandha Arya, Dr. Satish Chandra, Dr. Aditya Rao, Dr. Vibha Vishwanath Bhat. (2021). COVID -19 Vaccines Amidst Emerging Delta Variant: Review. Drugs and Cell Therapies in Hematology, 10(1), 1140–1147. Retrieved from http://dcth.org/index.php/journal/article/view/227