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. 2014 Feb 3;9(2):e87379. doi: 10.1371/journal.pone.0087379

Figure 2. Rates of serious infectious events (SIEs) in the double-blind, placebo-controlled periods.

Figure 2

Multiple occurrences of the same event in one individual were counted multiple times. MTX, methotrexate; OCR200, ocrelizumab 200 mg×2; OCR500, ocrelizumab 500 mg×2; PBO, placebo; pt-yrs, patient-years.