Links
[1] https://www.ncri.ie/cancers/prostate
[2] http://www.jclinepi.com/article/S0895-4356(13)00355-7/abstract
[3] https://www.ncri.ie/research/projects/cost-effectiveness-psa-testing-secondary-prevention-prostate-cancer
[4] https://www.ncri.ie/research/projects/qualitative-study-factors-influencing-psa-testing-among-gps-0