Pires, P. S., Teodoro, P., Martins, J., & Sá da Costa, J. (2012). Haptic Positioning Environment for the Hip Resurfacing Surgery. International Journal of Online and Biomedical Engineering (iJOE), 8(S1), pp. 23–25. https://doi.org/10.3991/ijoe.v8iS1.1890