1. All traffic related deaths are not fatalities—analysis of the official Swedish statistics of traffic accident fatalities in 1999;Ahlm;Lakartidningen,2001
2. Diagnostic and Statistical Manual of Mental Disorder;American Psychiatric Association,1995
3. Suicide ideation at its worst point: a predictor of eventual suicide in psychiatric outpatients;Beck;Suicide Life Threat. Behav.,1999
4. Beck Scale for Suicide Ideation;Beck,1991
5. Single road traffic deaths—accidents or suicide;Connolly;Crisis,1995