References: 

Reference

1. Davenport C, Armstrong DA II. Democracy and the violation of human rights: a statistical analysis from 1976 to 1996. Am J Polit Sci. 2004;48:538-554. http://onlinelibrary.wiley.com/doi/10.1111/j.0092-5853.2004.00086.x/abstract. Accessed September 21, 2012.