{{Cite journal| doi = 10.1186/s12873-022-00607-7| issn = 1471-227X (Electronic) 1471-227X (Linking)| volume = 22| issue = 1| pages = 49| last1 = Lindner| first1 = G.| last2 = Herschmann| first2 = S.| last3 = Funk| first3 = G. C.| last4 = Exadaktylos| first4 = A. K.| last5 = Gygli| first5 = R.| last6 = Ravioli| first6 = S.| title = Sodium and potassium disorders in patients with COPD exacerbation presenting to the emergency department| journal = BMC Emerg Med| date = 2022-03-26| pmid = 35331155}}