Skip to main content
. Author manuscript; available in PMC: 2008 Dec 10.
Published in final edited form as: IEEE Trans Nucl Sci. 2004 Oct;51(5 II):2693–2698. doi: 10.1109/TNS.2004.835786

Fig. 2.

Fig. 2

Shown: 1) 4 target calibration tool in upper left, 2) gantry mounted 3 target reference tool upper right, 3) stretchy belt with 4 targets in middle, and 4) bellows style respiration device at bottom.