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Reference ranges for peripheral blood lymphocyte subsets were generated for 186 healthy adults in Burkina Faso using single-platform flow cytometry. CD4(+) T-cell counts ranged from 631 to 1,696 cells microl(-1); they were lower in males (n = 97) than in females (n = 89), whereas natural killer cell counts were higher.
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Klose et al. (2007) studied this question.
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