{{Cite journal| doi = 10.1016/j.ejim.2018.06.020| issn = 1879-0828 (Electronic) 0953-6205 (Linking)| volume = 55| pages = –17-e18| last1 = Malinovska| first1 = A.| last2 = Nickel| first2 = C. H.| last3 = Bingisser| first3 = R.| title = Trajectories of survival in patients with nonspecific complaints| journal = Eur J Intern Med| date = 2018-07-15| pmid = 30006032}}