Here are three locations for research information on suicide and opportunity barriers such as bridge fencing:
The Urge to End it All, NY Times, July 8, 2008. http://www.nytimes.com/2008/07/06/magazine/06suicide-t.html?_r=1
Suicide Prevention on Bridges, National Suicide Prevention Lifeline. http://host31.spidergraphics.com/spv/doc/SUICIDE_BRIDGES_Lifeline_Position_Paper_Final_6-16-08.pdf
Harvard School of Public Health Means Matter website: http://www.hsph.harvard.edu/means-matter/bridges-and-suicide/
