Lay B, Lauber C, Stohler R, Rössler W. Utilisation of inpatient psychiatric services by people with illicit substance abuse in Switzerland. Swiss Med Wkly [Internet]. 2006 Jun. 3 [cited 2024 Sep. 3];136(2122):338-. Available from: https://smw.ch/index.php/smw/article/view/610