ALTHAHAB, Azhar .A. L.; SHUKER, Wasan sami. Effect of Hibiscus sabdraffira and tea extract on cellular immunity in lab animals. Al-Kufa University Journal for Biology, Kufa, Najaf, IRAQ, v. 3, n. 2, 2011. Disponível em: https://journal.uokufa.edu.iq/index.php/ajb/article/view/9308. Acesso em: 7 aug. 2026.