Shreewastav, R. K., Gaire, C. P., Ghimire, A., Shah, P. K. and Singh, A. G. (2016) “Evaluation of prostate specific antigen level in different age group of Patients in Eastern part of Nepal”, Journal of Nobel Medical College, 5(1), pp. 14–19. doi: 10.3126/jonmc.v5i1.15748.