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. 2018 Aug 22;11:105. doi: 10.1186/s13045-018-0652-y

Fig. 5.

Fig. 5

Chronology of specimen collections in the surveilled and non-surveilled relapsed B-ALL cases. Each horizontal line represents one patient with B-ALL relapse. The mean time interval between the most recent follow-up sample and overt relapse (marked) in the non-surveilled cases is significantly longer compared to that between conversion to positive MRD (CPMRD) and overt relapse (marked) in surveilled cases (20 months vs 4.7 months, p < 0.0001). See Fig. 6 for treatment information