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. 2019 Jul 4;105(5):1436–1442. doi: 10.3324/haematol.2019.222828

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Pooled recurrence rates of venous thromboembolism for the modified Ottawa score. (A) Pooled recurrence rates of venous thromboembolism for the modified Ottawa score in high-risk patients (B) Pooled recurrence rates of venous thromboembolism for the modified Ottawa score in intermediate-risk patients. (C) Pooled recurrence rates of venous thromboembolism for the modified Ottawa score in low-risk patients.