Pervaiz, A., Alamgir, W., Khan, B., Nawaz, K. H., Ahmad, I., Shafait, S., & Ahmad, F. (2023). Comparison of Efficacy of Botulinum Toxin Injection and Conventional Oral Drugs for Treatment of Refractory Migraine. Journal of Health and Rehabilitation Research, 3(2), 921–927. https://doi.org/10.61919/jhrr.v3i2.241