TY - JOUR AU - Li, Chuo AU - He, Tiantian AU - Zhou, Jin AU - Tan, Zhangmin AU - Zhang, Peizhen AU - Yin, Yuzhu PY - 2022 TI - Does a longer second stage of labor worsen umbilical artery blood gas parameters in newborns?—a retrospective cohort study of 2,140 cases JF - Annals of Translational Medicine; Vol 10, No 22 (November 29, 2022): Annals of Translational Medicine Y2 - 2022 KW - N2 - UR - https://atm.amegroups.org/article/view/103644