Zandi, M., S. Rashid, S. Nasimzadeh, B. Pourhossein, and M. Fazeli. “A Snapshot of Different Types of Under Research Vaccines Against COVID-19: A Review”. Archives of Medical Laboratory Sciences, vol. 6, no. 1, Nov. 2020, pp. 1-7 (e7), doi:10.22037/amls.v6.32379.