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. 2019 May 7;11(5):1021. doi: 10.3390/nu11051021

Figure 1.

Figure 1

Flowchart describing progress during a randomized, placebo-controlled trial of selenium supplementation. 1 Three participants declined to participate in the study for personal reasons unrelated to the intervention (fracture, influenza, and transportation problems). 2 Outliers were excluded from the final analysis. CTRL: control; SE: selenium.