{{Cite journal| doi = 10.1016/j.annemergmed.2022.05.038| issn = 1097-6760 (Electronic) 0196-0644 (Linking)| volume = 80| issue = 4| pages = 364–370| last1 = Pietsch| first1 = U.| last2 = Moeckel| first2 = J.| last3 = Koppenberg| first3 = J.| last4 = Josi| first4 = D.| last5 = Jungwirth| first5 = A.| last6 = Hautz| first6 = W. E.| last7 = Wenzel| first7 = V.| last8 = Strecke| first8 = S.| last9 = Albrecht| first9 = R.| title = Stability of Drugs Stored in Helicopters for Use by Emergency Medical Services: A Prospective Observational Study| journal = Ann Emerg Med| date = 2022-08-05| pmid = 35927113}}