Dutta, D., and A. Bajracharya. “Hemireplacement Arthroplasty With Unipolar Vs Bipolar Prosthesis for Displaced Hip Fractures in Elderly”. Journal of Nepal Health Research Council, vol. 7, no. 2, Apr. 2010, pp. 131-4, https://nepjol.info./index.php/JNHRC/article/view/3022.