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. 2015 Dec 24;128(1):263–272. doi: 10.1378/chest.128.1.263

Figure 5.

Figure 5

Changes in hemoglobin levels during ribavirin therapy in patients with SARS. Before ribavirin was begun, the mean hemoglobin concentrations in both the S-R-H and S-R-NH groups were normal, and the mean in the S-R-H group was not significantly lower than that in the S-R-NH group. In the S-R-H group, hemoglobin levels began decreasing 3 days after the start of ribavirin therapy, reached a nadir 16 days after starting therapy, and returned to normal 2 to 4 weeks after discontinuing therapy.