Satybaldy, Abylay, Anton Hasselgren, and Mariusz Nowostawski. “Decentralized Identity Management for E-Health Applications: State-of-the-Art and Guidance for Future Work”. Blockchain in Healthcare Today 5, no. S1 (March 14, 2022). Accessed April 26, 2024. https://blockchainhealthcaretoday.com/index.php/journal/article/view/195.