{{Cite journal| doi = 10.1186/s13049-020-00805-x| issn = 1757-7241 (Electronic) 1757-7241 (Linking)| volume = 28| issue = 1| pages = 110| last1 = Bingisser| first1 = R.| last2 = Nickel| first2 = C. H.| title = How should nonspecific complaints be defined? Comment to: "nonspecific complaints (NSCs) in the emergency department"| journal = Scand J Trauma Resusc Emerg Med| date = 2020-11-13| pmid = 33176834}}