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. 2022 May 9;28:10760296221097383. doi: 10.1177/10760296221097383

Figure 4.

Figure 4.

Boxplot of prothrombin fragment F1 + 2 (F1 + 2) levels over time. VTE, venous thromboembolism; T1, preoperative 1-3 days; T2, 2 hours after surgery; T3, postoperative day 1; T4, postoperative day 3.