Özlem Şen, D. Kalaycı, T. Kabaosman, M. Kaya, and S. Yılmaz, “The effect of orally administered metoprolol on the frequency and severity of rocuronium injection pain”, Eur Res J, vol. 9, no. 5, pp. 910–917, Sep. 2023, doi: 10.18621/eurj.1282037.