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Table 1 Guideline for administering hydroxyurea

From: Arsenic trioxide and all-trans retinoic acid (ATRA) treatment for acute promyelocytic leukemia in all risk groups: study protocol for a randomized controlled trial

White blood cell (WBC) counts

Dose of hydroxyurea

5–10 × 109/L

0–-1 g/day

10–20 × 109/L

1.0–2.0 g/day

20–40 × 109/L

2.0–4.0 g/day

≥ 40 × 109/L

4.0 g/day