HALAMKA, J. D.; CHU, R.; HANNA, K.; KUZMESKAS, K. Early Experiences with Blockchain and EHRs. Blockchain in Healthcare Today, [S. l.], 2018. Disponível em: https://blockchainhealthcaretoday.com/index.php/journal/article/view/75. Acesso em: 24 oct. 2021.