TY - JOUR AU - Huang, Rui AU - Zhu, Jiang AU - Zhao, Zizuo AU - Wang, Bin PY - 2021 TI - The effect of programmed intermittent epidural bolus compared with continuous epidural infusion in labor analgesia with ropivacaine: a meta-analysis of randomized controlled trials JF - Annals of Palliative Medicine; Vol 10, No 3 (March 31, 2021): Annals of Palliative Medicine Y2 - 2021 KW - N2 - UR - https://apm.amegroups.org/article/view/61995