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. Author manuscript; available in PMC: 2009 Nov 30.
Published in final edited form as: Proc SPIE Int Soc Opt Eng. 2009;7260:726030. doi: 10.1117/12.813583

Fig. 2.

Fig. 2

An example of a subtraction image using the entirety of both the first and second chest radiographs of a TB patient undergoing DOTS therapy. Note that some anatomical structures can still be identified.