Fig. 3From: Comparison of two doses of leucovorin in severe low-dose methotrexate toxicity – a randomized controlled trialKaplan–Meier survival curves showing cumulative time-to-event for hematological recovery in the two groups. (Hematological recovery defined as both WBC (≥ 4 × 10^9/L) and platelet recovery (≥ 100 × 10^9/L))Back to article page