{{Cite journal| doi = 10.1016/j.bjao.2025.100497| issn = 2772-6096 (Electronic)| volume = 16| pages = 100497| last1 = Liblik| first1 = E.| last2 = Pietsch| first2 = U.| last3 = Hickmann| first3 = A. K.| title = Comparison of total morphine milligram equivalents at hospital discharge between opioid-naive and opioid-experienced surgical patients: a single-centre retrospective cohort study| journal = BJA Open| date = 2025-10-29| pmid = 41158698}}