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. Author manuscript; available in PMC: 2020 Apr 1.
Published in final edited form as: J Magn Reson. 2019 Mar 5;301:109–118. doi: 10.1016/j.jmr.2019.03.002

Figure 9.

Figure 9.

1-cm diameter helical maps of Keck magnet at 25.0 T; dotted – map of background field, solid - with passive shims, solid bold - fully shimmed. Traces are offset for clarity