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. 2019 Sep 24;18:122. doi: 10.1186/s12933-019-0926-x

Fig. 1.

Fig. 1

OCT–based measurement of ICA. The calcification is marked with a red square and is magnified. In this image, the angle abluminally projected by the calcification, i.e. the ICA, is marked. ICA intrinsic calcification angle