Study Claims Iraq's 'Excess' Death Toll Has Reached 655,000

"The survey was conducted between May 20 and July 10 by eight Iraqi physicians organized through Mustansiriya University in Baghdad. They visited 1,849 randomly selected households that had an average of seven members each. One person in each household was asked about deaths in the 14 months before the invasion and in the period after."
Study Claims Iraq's 'Excess' Death Toll Has Reached 655,000 - washingtonpost.com: "Of the total 655,000 estimated 'excess deaths,' 601,000 resulted from violence and the rest from disease and other causes, according to the study. This is about 500 unexpected violent deaths per day throughout the country."