Hasan, M. Z., M. R. Islam, A. M. Alam, A. Matin, M. Begum, N. C. Sarkar, K. Iqbal, and L. Aziz. “Effect of Remifentanil Infusion on Recovery in Craniotomy”. Journal of Shaheed Suhrawardy Medical College, vol. 2, no. 2, Oct. 2012, pp. 8-11, doi:10.3329/jssmc.v2i2.12046.