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Error in Illustration.—In the article titled "Ionized Calcium Concentration and Cardiovascular Function After Cardiopulmonary Bypass," published in the August Archives (1981;116:1072-1076), there is an error in the bar graph presented as Fig 2. The first bar, labeled P, should have indicated a stroke index of 43 ± 9 mL/sq m.
CORRECTION. Arch Surg. 1981;116(10):1273. doi:10.1001/archsurg.1981.01380220027004
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