“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”. 2023. Annapurna Journal of Health Sciences 1 (2): 11-15. https://nepjol.info/index.php/ajhs/article/view/59913.