YADAV, V. .; KUMAR, P. .; KUSHAL, A. .; YADAV, R. .; ANJALI, P. . Covid-19 Morbidity amongst Covishield Vaccinated Vs Non-Vaccinated: A Comparative Study. National Journal of Community Medicine, [S. l.], v. 13, n. 02, p. 60–63, 2022. DOI: 10.5455/njcm.20211014065554. Disponível em: https://www.njcmindia.com/index.php/file/article/view/146. Acesso em: 1 may. 2024.