Although a smaller proportion of cases had received vitamin A supplementation in the past 6 months compared to controls, this did not reach statistical significance (6.7% versus 16.7%, P = 0.16).
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Indoor Air Pollution and Delayed Measles Vaccination Increase the Risk of Severe Pneumonia in Children: Results from a Case-Control Study in Mwanza, Tanzania.
1
0.1600
0.1600