Fadila, Aulia Nur, et al. “Relationship of Prostate-Specific Antigen (PSA) and Prostate Volume in Patients With Biopsy Proven Benign Prostatic Hyperplasia (BPH)”. Qanun Medika - Medical Journal Faculty of Medicine Muhammadiyah Surabaya, vol. 4, no. 2, July 2020, pp. 171-7, doi:10.30651/jqm.v4i2.3426.