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. 2021 Jun 28;11:13431. doi: 10.1038/s41598-021-92921-6

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© The Author(s) 2021, corrected publication 2021

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Iron metabolism indicators in hospitalized patients with COVID-19. (A) serum iron, (B) total iron-binding capacity (TIBC), (C) transferrin saturation (TSAT), and (D) ferritin levels. All the values were measured within the first 5 days of hospitalization. Data are presented as median ± interquartile range (IQR). *p < 0.05.