A calculator for prostate cancer risk 4 years after an initially negative screen: Findings from ERSPC Rotterdam, "Beyond the Abstract," by Xiaoye Zhu, MD and Monique J. Roobol, PhD, MSc
External Validation of the Rotterdam Prostate Cancer Risk Calculator and Comparison with Stockholm3 for Prostate Cancer Diagnosis in a Swedish Population-based Screening Cohort - European Urology Focus