Santiago-Aponte NM, Sun D, King TS, Corr TE, et al. Prospective observational study quantifying maternal-fetal fentanyl transmission in epidural analgesia infusion using umbilical cord blood and neonatal meconium. J Perinatol 2025 Sep 18. doi: 10.1038/s41372-025-02416.
PMID: 40968139