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. Author manuscript; available in PMC: 2019 Mar 11.
Published in final edited form as: J Orthop Res. 2018 Dec 13;37(2):325–334. doi: 10.1002/jor.24177

Figure 4.

Figure 4.

Quantitative analysis of IVIS images. Methodology of setting the region of interest (ROI) for quantifying fluorescent signals in each knee. (A) The ROI was set on the entire limb from heel to inguinal line (indicated by blue line). The background was set at the center of the abdomen (indicated by red circle). (B) The ROI was focused on the knee joint, registered to superimposed X-ray image (indicated by blue line). The background was set to the center of the abdomen (indicated by red circle).