{{Cite journal| doi = 10.1016/j.ejim.2020.12.003| issn = 1879-0828 (Electronic) 0953-6205 (Linking)| volume = 85| pages = 63–67| last1 = Ravioli| first1 = S.| last2 = Gygli| first2 = R.| last3 = Funk| first3 = G. C.| last4 = Exadaktylos| first4 = A.| last5 = Lindner| first5 = G.| title = Prevalence and impact on outcome of sodium and potassium disorders in patients with community-acquired pneumonia: A retrospective analysis| journal = Eur J Intern Med| date = 2020-12-29| pmid = 33358686}}