Assessing water filtration and safe storage in households with young children of HIV-positive mothers: a randomized, controlled trial in Zambia.

PLoS One · 2012 · PMC3474778 · PMID 23082124

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a positive trendno p-value reported

Water Quality, Diarrhea, and WAZ There was a suggestion of a positive trend between diarrhea prevalence and household fecal water contamination ( Figure 4 ).

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.