Sexual transmission of Hepatitis C Virus infection in a heterosexual population: A systematic review.

HRB Open Res · 2018 · PMC6973529 · PMID 32002504

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likely to be significantno p-value reported

While the inclusion of groups such as people who inject drugs and gay and bisexual men in future reviews may increase the number and quality of studies, the impact of confounders is likely to be significant.

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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.