RT Journal T1 TEmporal variations in school-associated student homicide and suicide events—united states, 1992-1999 JF JAMA JO JAMA YR 2001 FD September 12 VO 286 IS 10 SP 1168 OP 1169 DO 10.1001/jama.286.10.1168 UL http://dx.doi.org/10.1001/jama.286.10.1168 AB