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. 2015 Mar 28;19(1):126. doi: 10.1186/s13054-015-0858-0

Figure 1.

Figure 1

Number of paired samples for each studied patient under the 24-hour follow-up period. Each pair of measurements consists of two consecutive (3 ± 2 hours) simultaneous arterial and central venous blood samples, allowing for lactate clearance calculation.