Figure 1.

Distribution of hemoglobin for male and female participants in the ARIC study. The solid line displays the mean in each group (Males = 14.9 g/dL, SD = 1.05; Females 13.1 g/dL, SD = 1.05).

McAdams-DeMarco et al. Arthritis Research & Therapy 2012 14:R193   doi:10.1186/ar4026
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