NGAKA, T. South African Heart Association Newsletter. SA Heart Journal, [S. l.], v. 18, n. 3, p. 191–228, 2021. DOI: 10.24170/18-3-4906. Disponível em: https://www.journals.ac.za/SAHJ/article/view/4906. Acesso em: 8 oct. 2025.