TY - JOUR PY - 2002// TI - Premeditated mass shootings in schools: threat assessment JO - Journal of the American Academy of Child and Adolescent Psychiatry A1 - Twemlow, S. W. A1 - Fonagy, Peter A1 - Sacco, Frank C. A1 - Otoole, ME A1 - Vernberg, Eric SP - 475 EP - 477 VL - 41 IS - 4 N2 - Abstract unavailable. LA - SN - 0890-8567 UR - http://dx.doi.org/ ID - ref1 ER -