MAHMOUD YOUSRY ABDELMAWLA, FATHIA MOHAMED KHATTAB, EMAN HASSAN ABDELBARY , MENNA ALLAH HAMED ABDEL AZIZ. Botulinum Toxin A for Treatment-Resistant Alopecia Areata: A Critical Review of Evidence and Mechanisms . Pegem Journal of Education and Instruction, [S. l.], v. 14, n. 3, p. 947–956, 2024. Disponível em: https://www.pegegog.net/index.php/pegegog/article/view/4910. Acesso em: 21 feb. 2026.