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. Author manuscript; available in PMC: 2016 Apr 14.
Published in final edited form as: Magn Reson Med. 2014 Feb;71(2):591–598. doi: 10.1002/mrm.24697

FIG. 2.

FIG. 2

Parameters required to optimize the niDALL method. a: The optimum repetition time is lower with decreasing flip angle, which is related to the fact that the optimum ANR efficiency occurs for flip angles approximately 20% greater than the Ernst angle as indicated in (b). c: The number of α pulses used to sample the recovery is found by ensuring the duration of the sampling is approximately 1.9 times the driven T1. d: The number of effective TI times the recovery is divided into has little effect on the ANR efficiency.