JENKINS, P.; MAHESWARAN, A. Payments Systems in the NHS. FFF Clinical Finance Journal, [S. l.], v. 1, n. 1, p. 25–33, 2020. DOI: 10.47113/fffcfj.v1i1.13. Disponível em: https://clinicalfinancejournal.co.uk/index.php/home/article/view/13. Acesso em: 29 mar. 2024.