Challenges Faced for Botulinum Toxin Injection in the Treatment of Hemifacial Spasm and Blepharospasm: Our Experience in Tribhuvan University Teaching Hospital during COVID-19 Pandemic. Annapurna Journal of Health Sciences, [S. l.], v. 1, n. 2, p. 11–15, 2023. Disponível em: https://nepjol.info/index.php/ajhs/article/view/59913. Acesso em: 4 jul. 2026.