Sengodan, V. C., Marimuthu, S. and Ramasamy, R. (2018) “The accuracy of free-hand cup positioning: a CT based measurement in a South Indian hospital”, International Journal of Research in Orthopaedics, 4(6), pp. 887–891. doi: 10.18203/issn.2455-4510.IntJResOrthop20184380.