YADAV, Vikas; KUMAR, Poninder; KUSHAL, Arvind; YADAV, Renu; ANJALI, Priya. 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://njcmindia.com/index.php/file/article/view/146. Acesso em: 11 jul. 2025.