Analysis of surgeon's line of sight using an optical tracking system with a multifaceted marker device.
Hiroaki TsunezukaDaishiro KatohKunihiko TerauchiMasanori ShimomuraKaori IchiseKazuhiro ItoAtsushi NishikawaJunichi ShimadaPublished in: Int. J. Comput. Assist. Radiol. Surg. (2011)