Bender, MD, H.U., Muench, MD, H.-G. and Nussbaum, MD, C.F. 2021. Switching a baby from IV levomethadone to IV fentanyl. Journal of Opioid Management. 17, 2 (Mar. 2021), 181–183. DOI:https://doi.org/10.5055/jom.2021.0627.