Figure 1.

Comparison of the serum zinc levels between the Giardia-free (n = 65) and the Giardia-infected (n = 49) groups (cross-sectional analysis). A = 14.4 (1.4), *B = 13.8 (1.9), *Error Bars = (S.E.). * Non-adjusted geometric means. ** Adjusted ANCOVA (region, sex, age and intake of zinc).

Quihui et al. BMC Public Health 2010 10:85   doi:10.1186/1471-2458-10-85
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