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5295483 | Nowacki et al. | Mar 1994 | |
5383454 | Bucholz | Jan 1995 | |
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Number | Date | Country |
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WO 0039576 | Jul 2000 | WO |
Entry |
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Birkfellner et al., “Concepts and Results in the Development of a Hybrid Tracking System for CAS”, Lecture Notes in Computer Science: Medical Image Computing and Computer-Assisted Intervention—MICCAI '98, vol. 1496 (1998), pp. 342-351. |