Examining the influence of family physician supply on district health system performance in South Africa: An ecological analysis of key health indicators.

Afr J Prim Health Care Fam Med · 2017 · PMC5417172 · PMID 28470076

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a possible trendno p-value reported

30 While some correlations demonstrate a possible trend, the size of these correlations did not exceed 0.5 in either direction.

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