Jagadeesan, Naveena, et al. “IgG Neutralization Potential of COVISHIELD™ Vaccinated individual’s Sera After Booster Vaccination: Longitudinal and Prospective Cohort Study”. European Journal of Chemistry, vol. 15, no. 3, Sept. 2024, pp. 274-81, doi:10.5155/eurjchem.15.3.274-281.2553.