Secen, O., Ozcan, S., Yildiz Altun, A., & Demirel, I. (2021). The effect of subarachnoid or epidural bupivacaine on the QTc and P-wave dispersion . Annals of Medical Research, 27(6), 1733–1737. Retrieved from http://annalsmedres.org/index.php/aomr/article/view/808