Mapping HIV prevalence using population and antenatal sentinel-based HIV surveys: a multi-stage approach.

Popul Health Metr · 2015 · PMC4557594 · PMID 26336361

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possibly significantno p-value reported

However, even nationally representative population surveys suffer from possibly significant non-response [ 5 ].

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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.