1. Adolfsson J, Tribukait B, Levitt S (2007) The 20-yr outcome in patients with well- or moderately differentiated clinically localized prostate cancer diagnosed in the pre-PSA era: the prognostic value of tumour ploidy and comorbidity. Eur Urol 52:1028–1035
2. Barrett MT, Lenkiewicz E, Evers L, Holley T, Ruiz C, Bubendorf L, Sekulic A, Ramanathan R, von Hoff DD (2013) Clonal evolution and therapeutic resistance in solid tumors. Front Pharmacol 4:1–15
3. Böcking A, Dietz J (2013) Prognostische DNA-Zytometrie beim Prostatakarzinom. Dtsch Z Onkol 45:2–8
4. Böcking A, Chatelain R, Orthen U, Gien G, von Kalckreuth G, Jocham D, Wohltmann D (1988) DNA-grading of prostatic carcinoma: prognostic validity and reproducibility. Anticancer Res 8:129–135
5. Böcking A, Tils M, Schramm M, Dietz J, Biesterfeld S (2014) DNA-cytometric grading of prostate cancer. Systematic review with descriptive data analysis. Pathol Discov 2(7):1–20 (ISSN 2052-7896)