Harjinder Singh, Maninder Kaur, and Harpreet Kaur. “Establishment and Correlation of Age Specific Reference Range of Psa and Psa Density in Patients of Benign Prostatic Hyperplasia”. GMC Patiala Journal of Research and Medical Education 2, no. 1 (June 30, 2019): 45–50. Accessed November 7, 2024. https://jrme.gmcpatiala.edu.in/index.php/j/article/view/40.