Reevaluating our understanding of lactulose breath tests by incorporating hydrogen sulfide measurements.

JGH Open · 2019 · PMC6586573 · PMID 31276041

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a negative trendno p-value reported

a positive trendno p-value reported

Mean hydrogen concentrations with a positive trend through a 3‐h period ( R 2 = 0.97), mean methane concentrations with a positive trend ( R 2 = 0.69), and mean hydrogen sulfide concentrations with a negative trend ( R 2 = −0.71) were observed.

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