lial factors: a national register-based study of all suicides in Denmark, 1981–1997". Am J Psychiatry. 160 (4): 765–72. doi:10.1176/appi.ajp.160.4.765. PMID 12668367. {{cite journal}}: Unknown parameter |month= ignored (help)CS1 maint: multiple names: authors list (link)↑ Gilliland, Richard K. James, Burl E. Crisis intervention strategies (7th ed. ed.). Belmont, CA: Brooks/Cole. p. 215. ISBN 978-1-111-18677-7. {{cite book}}: |edition= has extra text (help)CS1 maint: multiple names: authors list (link)↑ 18.0 18.1 Brent, DA (2008 Jun). "Familial transmission of suicidal behavior". The Psychiatric clinics of North America. 31 (2): 157–77. doi:10.1016/j.psc.2008.02.001. PMC 2440417. PMID 18439442. {{cite journal}}: Check date values in: |date= (help); Unknown parameter |coauthors= ignored (|author= suggested) (help)↑ Rozanov, V (2012 Jul). "Suicide among war veterans". International journal of environmental research and public health. 9 (7): 2504–19. doi:10.3390/ijerph9072504. PMC 34