Sakthivel, R. N., Subramanyam, B. P. puvula, & Balakrishnan, V. (2016). A study of hip arthroplasty using bipolar endo-prothesis for fracture neck of femur. International Journal of Research in Medical Sciences, 4(2), 465–471. https://doi.org/10.18203/2320-6012.ijrms20160297