{{Cite journal| doi = 10.1016/j.ejim.2019.12.009| issn = 1879-0828 (Electronic) 0953-6205 (Linking)| volume = 75| pages = 44–49| last1 = Potasso| first1 = L.| last2 = Sailer| first2 = C. O.| last3 = Blum| first3 = C. A.| last4 = Cesana-Nigro| first4 = N.| last5 = Schuetz| first5 = P.| last6 = Mueller| first6 = B.| last7 = Christ-Crain| first7 = M.| title = Mild to moderate hyponatremia at discharge is associated with increased risk of recurrence in patients with community-acquired pneumonia| journal = Eur J Intern Med| date = 2020-01-19| pmid = 31952985}}