Mind and Culture : psychiatry's missing diagnosis : patients' diversity is often discounted / Washington Post, 26 June 2005

http://digbig.com/4dwkg
"When UCLA researchers reviewed the best available studies of psychiatric drugs for depression, bipolar disorder, schizophrenia and attention deficit disorder, they found that the trials had involved 9,327 patients over the years. When the team looked to see how many patients were Native Americans, the answer was ... zero." (First of three parts.)