Warnke I, Rössler W. Length of stay by ICD-based diagnostic groups as basis for the remuneration of psychiatric inpatient care in Switzerland?. Swiss Med Wkly [Internet]. 2008 Sep. 6 [cited 2024 Apr. 24];138(3536):520-7. Available from: https://smw.ch/index.php/smw/article/view/887