Zaichick Vladimir, Zaichick Sofia, Using Prostatic Fluid Levels of Zinc to Bromine Concentration Ratio in Non-Invasive and Highly Accurate Screening for Prostate Cancer, Journal of Hematalogy and Oncology Research, Volume 3, Issue 3, 2019, Pages 21-31, ISSN 2372-6601, https://doi.org/10.14302/issn.2372-6601.jhor-19-3094. (https://jndc-chemistryarticles.infojhor/article/1225) Keywords: Urology Screening; Prostate cancer; Benign prostatic hyperplasia; Chronic prostatitis; Expressed Prostatic Fluid; Trace element content; Trace element concentration ratio; Energy-dispersive X-ray fluorescent analysis