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. 2018 Jan 11;144(3):203–210. doi: 10.1001/jamaoto.2017.2800

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Figure 3. — The dashed line indicates time to next surgery for 8 patients with previous dilations and sufficient follow-up time for comparison of SFI pre-ISI and post-ISI series. The solid line indicates time to next surgery for 24 patients after ISI. Data markers represent censoring at date of last follow-up for patients not undergoing repeat surgery in the follow-up period. ISI indicates intralesional steroid injection; SFI, surgery-free interval.