Selvanayagam, R., and G. Pfluger. “A Numerical Misinterpretation in the Computer Screen During Middle of the Image Free Navigation Assisted Knee Replacement-a Dilemma of What to Do Next?”. International Journal of Research in Medical Sciences, vol. 5, no. 12, Nov. 2017, pp. 5440-2, doi:10.18203/2320-6012.ijrms20175469.