The University of Texas / San Antonio has the prostate cancer calculator online (updated 2014) and the article was published in the April 2006 issue of the Journal of the National Cancer Institute.
deb.uthscsa.edu/URORiskCalc...
http:/jnci.oxfordjournals.org/content/98/8/529.full.pdf+html
Modified Citrus pectin slows prostate cancer progression 
Metastatic prostate cancer due to have chemotherapy Nitric Oxide -- slows prostate cancer progression and PSA doubling time.
New strategies against bone metastases from prostate cancer - Science Daily
Estimating the Number of Men Living with Metastatic Prostate Cancer in the United States
