Tandon, Vishal R., and Annil Mahajan. “Heterologous Prime-Boost COVID-19 Vaccination”. JK Science: Journal of Medical Education & Research 23, no. 4 (October 10, 2021): 168–169. Accessed November 23, 2024. https://journal.jkscience.org/index.php/JK-Science/article/view/81.