Jahanpour, F., Rasti, R., Motamed, N., & Keshmiri, S. "The effect of parental presence on anxiety during anesthesia induction in children 2 to 11 years of age undergoing surgery", Pars Journal of Medical Sciences, 12, 1, 2022, 9–16. doi: 10.29252/jmj.12.1.9