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. 2022 Apr 2;67(12):5571–5579. doi: 10.1007/s10620-022-07487-8

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Fig. 4 — Mean increase in patient-reported symptoms during lactulose breath test, in both 10 g (post-consensus) and 16 g (pre-consensus) substrate groups. Blue indicates patients testing positive for SIBO or methane while orange indicates patients testing negative for both SIBO and methane. * = p < 0.05