Performance of a Norfentanyl Immunoassay in Specimens with Low Concentrations of Fentanyl and/or Norfentanyl.
Uljon S, Tolan NV, Mahowald GK, Khaliq T, Urwiller ED, Fernandes MD, Basu SS, Kang P, Erickson TB, Hayes BD, Chai PR, Melanson SEF. Performance of a Norfentanyl Immunoassay in Specimens with Low Concentrations of Fentanyl and/or Norfentanyl. J Appl Lab Med. 2024 Sep 03; 9(5):895-904.