Contact investigation for tuberculosis: a systematic review and meta-analysis.

Eur Respir J · 2013 · PMC3533588 · PMID 22936710

Europe PMC DOI

hedged sentence

—

closest p

—

boldest claim

The sentences

an increasing trendno p-value reported

In recent years there has been an increasing trend in low–middle-income countries to implement contact investigation in some form but considerable heterogeneity in the practice of it [ 12 ].

also in 63,971 other papers

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.