Hydrogen/Expired gas^1H post dose lactose PO:VFr:Pt:Exhl gas:Qn
hydrogen/expired gas^1h post dose lactose po:vfr:pt:exhl gas:qn
Hydrogen/Expired gas 1 Hr post dose lactose PO (Exhl gas) [Volume fraction]
hydrogen/expired gas 1 hr post dose lactose po (exhl gas) [volume fraction]