Sreedharan, J., John, L., Freeg, H.A. and Muttappallymyalil, J. 2014. Urolithiasis in male patients: A pilot study on the ethnic differences and clinical profile. Nepal Journal of Epidemiology. 4, 4 (Sep. 2014), 393–98. DOI:https://doi.org/10.3126/nje.v4i4.11359.