Loeb S, Carter HB, Walsh PC, Isaacs WB, Kettermann A, Tanaka T, Ferrucci L, and Metter EJ.
“Single Nucleotide Polymorphisms and the Likelihood of Prostate Cancer at a Given Prostate-Specific Antigen Level.”
Journal of Urology, July 2009; 182: 101.
Link: http://www.ncbi.nlm.nih.gov/pubmed/19450841
Genotype influences the risk of prostate cancer per unit increase in PSA. Prostate cancer risk stratification using PSA and genotype together could improve PSA test performance.