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. 2005 Jan 25;18(2):109–115. doi: 10.1007/s10278-004-1906-5

Fig 6.

Fig 6

(a) First image of the first study. (b) Second image of the first study; target is in bottom left. (c) First image of the second study. (d) Second image of the second study; no target, as discs are not resolved.