Mail piece here.

References include

http://www.nejm.org/doi/full/10.1056/NEJMoa070972

The Great Prostate Mistake. New York Times, March 2010. www.nytimes.com/2010/03/10/opinion/10Ablin.html

Franks LM, Latent Carcinoma of the Prostate, J Pathol Bacteriol, 68,2,603-606.

http://jnci.oxfordjournals.org/content/92/16/1280.short

There are far more references here, many about screening.