IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-11-7-42769 Original Research Paper Clinical Significance Of Total And Free Prostate Specific Antigen (Psa) And Their Ratio In Diagnosis Of Various Prostatic Lesions-A Prospective Study At A Tertiary Care Centre Bansi Kavar Dr. July 2022 11 7 01 02