HOSSAIN, N. Postal Stamps & Cardiac Surgery. Cardiovascular Journal, [S. l.], v. 6, n. 1, p. 74–78, 2013. DOI: 10.3329/cardio.v6i1.16121. Disponível em: https://banglajol.info/index.php/CARDIO/article/view/16121. Acesso em: 22 dec. 2024.