Figure 2.

Cumulative percentage of the sputum conversion time. The zinc + vitamin A (n = 50) and vitamin A groups (n = 56) showed less weeks to reach 85% of sputum conversion, followed by the placebo group (n = 62).

Pakasi et al. Nutrition Journal 2010 9:41   doi:10.1186/1475-2891-9-41
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