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azrulhizam shapi`i, riza sulaiman, mohd khatim hasan, anton satria prabuwono, abdul yazid mohd kassim, hamzaini abdul hamid.  (2011).  a new and improved size detection algorithm for acetabular implant in total hip replacement preoperative planning.  - lecture notes in computer science (2nd international visual informatics conference, ivic 2011; selangor; 9 november 2011 through 11 november 2011).  .