TY - JOUR T1 - ARchives of general psychiatry Y1 - 2011/06/01 N1 - 10.1001/archpsyc.68.6.540 JO - Archives of General Psychiatry SP - 540 EP - 540 VL - 68 IS - 6 N2 - SN - 0003-990X M3 - doi: 10.1001/archpsyc.68.6.540 UR - http://dx.doi.org/10.1001/archpsyc.68.6.540 ER -