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. Author manuscript; available in PMC: 2018 Jun 1.
Published in final edited form as: Int J Radiat Oncol Biol Phys. 2017 Feb 12;98(2):438–446. doi: 10.1016/j.ijrobp.2017.02.006

Fig. 2.

Fig. 2

A. Probability distributions for time since 510(k) approval, RODs vs. other devices. B. Years since 510(k) approval over time. Shaded regions: standard deviation. Dashed lines: linear regressions.