1. Non-specific complaints at emergency department presentation result in unclear diagnoses and lengthened hospitalization: a prospective observational study;Sauter;Scand J Trauma Resusc Emerg Med,2018
2. Patients presenting to the emergency department with non-specific complaints: the Basel Non-specific Complaints (BANC) study;Nemec;Acad Emerg Med,2010
3. Kemp K., Mertanen R., Lääperi M., Niemi-Murola L., Lehtonen L., Castren M. Nonspecific complaints in the emergency department – a systematic review.
4. Higher ln-Hospital Mortality in Patients with Nonspecific Complaints Presenting to the Emergency Department;Wachelder;Acute Med,2019
5. Impact of an acute medical admission unit on hospital mortality: a 5-year prospective study;Rooney;Qjm,2008