Hossain, Muhammad Sazzad, et al. “Pretreatment With Magnesium Sulfate to Alleviate Pain on Propofol Injection: A Prospective Randomized Double Blind Study”. Mediscope, vol. 6, no. 2, Sept. 2019, pp. 73-77, doi:10.3329/mediscope.v6i2.43156.