ISLAM, M. S. . Covid-19 Vaccine. Time for Waiting is Over !. Chest & Heart Journal , [S. l.], v. 44, n. 1, p. 1–4, 2021. Disponível em: https://www.banglajol.info/index.php/CHJ/article/view/56369. Acesso em: 17 may. 2022.