SHARMA, A.R.; BATRA, G.; KUMAR, M.; MISHRA, A.; SINGLA, R.; SINGH, A.; SINGH, R.S.; MEDHI, B. BCG as a game-changer to prevent the infection and severity of COVID-19 pandemic?. Allergologia et Immunopathologia, Singapore, v. 48, n. 5, p. 507–517, 2020. Disponível em: https://www.all-imm.com/index.php/aei/article/view/159.. Acesso em: 1 oct. 2025.