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. 2017 Apr 20;15:32. doi: 10.1186/s12969-017-0163-3

Fig. 2.

Fig. 2

IL-21 in KD and controls in relation to day of fever. Length of fever was calculated by review of the medical record for each subject. IL-21 levels did not have significant correspondence with duration of fever in febrile pediatric patients presenting to the Emergency Department