Hydrogen/Expired gas^1.5H post dose lactulose:VFr:Pt:Exhl gas:Qn
hydrogen/expired gas^1.5h post dose lactulose:vfr:pt:exhl gas:qn
Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --1.5 hour post dose lactulose
hydrogen/expired gas [volume fraction] in exhaled gas --1.5 hour post dose lactulose