1. Diamandis EP, Yu H. Does prostate cancer start at puberty? J Clin Lab Anal. 1996;10:468–9.
2. Sakr WA, Grignon DJ, Crissman JD, Heilbrun LK, Cassin BJ, Pontes JJ, et al. High grade prostatic intraepithelial neoplasia (HGPIN) and prostatic adenocarcinoma between the ages of 20-69: an autopsy study of 249 cases. In vivo. 1994;8:439–43.
3. Gu FL, Xia TL, Kong XT. Preliminary study of the frequency of benign prostatic hyperplasia and prostatic cancer in China. Urology 1994;44:688–91.
4. Howlader N, Noone A, Krapcho M, Noone A, Neyman N, Aminou R, et al. SEER cancer statistics review, 1975–2009 (vintage 2009 populations). 2012. https://seer.cancer.gov/archive/csr/1975_2009_pops09/.
5. Gronberg H. Prostate cancer epidemiology. Lancet. 2003;361:859–64.