Jacobsen, PhD, R., Møldrup, PhD, C. and Christrup, PhD, L. 2018. Rationales behind the choice of administration form with fentanyl: Delphi survey among Danish general practitioners. Journal of Opioid Management. 6, 4 (Jan. 2018), 259–268. DOI:https://doi.org/10.5055/jom.2010.0024.