Barthwal, Shilpa, et al. “Serosurveillance of Post Vaccination SARS-CoV-2 Antibodies in Covishield and Covaxin Vaccinated Subjects”. Indian Journal of Community Health, vol. 36, no. 5, Oct. 2024, https://iapsmupuk.org/journal/index.php/IJCH/article/view/3073.