KUMAR, Manoj; S. Z. HUSSAIN. Expression of Concern Notice: An efficient and secure mutual authentication protocol in wireless body area network. EAI Endorsed Transactions on Pervasive Health and Technology, [S. l.], v. 11, 2026. DOI: 10.4108/eetpht.11.15401. Disponível em: https://publications.eai.eu/index.php/phat/article/view/15401. Acesso em: 1 oct. 2026.