MICHAEL, S. Chronicles of medical history in Africa - Pioneers of heart surgery: from Aristotle to Grillo. Annals of Ibadan Postgraduate Medicine, [S. l.], v. 7, n. 2, p. 34–39, 2011. DOI: 10.4314/aipm.v7i2.64086. Disponível em: https://www.ajol.info/index.php/aipm/article/view/64086. Acesso em: 28 aug. 2026.