%0 Journal Article %T Substance Abusers in an Acute Psychiatric Facility: A Diagnostic and Logistic Challenge %A John E. Berg %A Asbj£¿rn Restan %J ISRN Psychiatry %D 2013 %I Hindawi Publishing Corporation %R 10.1155/2013/705657 %U http://dx.doi.org/10.1155/2013/705657