Lester David
Psychology Program, The Richard Stockton College of New Jersey, Pomona 08240-0195, USA.
Psychol Rep. 2003 Oct;93(2):458. doi: 10.2466/pr0.2003.93.2.458.
In a sample of 36 nations, suicide rates were negatively associated with a drug abuse index. Homicide rates were positively associated with a violent crime index.